The sum of the currents into a junction is equal to the sum of the currents out of that junction.
The sum of the currents into a junction is equal to the sum of the currents out of that junction.
Five light bulbs are connected in parallel across 110 V. Each bulb is rated at 200 W. The current through each bulb is approximately
Five light bulbs are connected in parallel across 110 V. Each bulb is rated at 200 W. The current through each bulb is approximately
Three lights are connected in parallel across a 120 volt source. If one light burns out,
Three lights are connected in parallel across a 120 volt source. If one light burns out,
Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 Ω, the current through each parallel resistor is
Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 Ω, the current through each parallel resistor is
When a 1.6 kΩ resistor and a 120 Ω resistor are connected in parallel, the total resistance is
When a 1.6 kΩ resistor and a 120 Ω resistor are connected in parallel, the total resistance is
Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is
Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is
A parallel circuit acts as a current divider.
A parallel circuit acts as a current divider.
In a parallel circuit, the branch with the lowest resistance has the most current.
In a parallel circuit, the branch with the lowest resistance has the most current.
In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that
In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that
There is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is
There is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is
Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately
Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately
The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is
The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is
The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current through the 270 Ω resistor that makes up part of the parallel circuit is approximately
The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current through the 270 Ω resistor that makes up part of the parallel circuit is approximately
If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is
If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is
When an open circuit occurs in a parallel branch, the total resistance decreases.
When an open circuit occurs in a parallel branch, the total resistance decreases.
Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is
Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is
A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately
A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately
Four 8 Ω speakers are connected in parallel to the output of an audio amplifier. If the maximum voltage to the speakers is 12 V, the amplifier must be able to deliver to the speakers
Four 8 Ω speakers are connected in parallel to the output of an audio amplifier. If the maximum voltage to the speakers is 12 V, the amplifier must be able to deliver to the speakers
When an additional resistor is connected across an existing parallel circuit, the total resistance
When an additional resistor is connected across an existing parallel circuit, the total resistance
A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 k. The current through each bulb is approximately
A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 k. The current through each bulb is approximately
The currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is
The currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is
Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance
Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance
If one of the resistors in a parallel circuit is removed, the total resistance
If one of the resistors in a parallel circuit is removed, the total resistance
The following currents are measured in the same direction in a three-branch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is
The following currents are measured in the same direction in a three-branch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is
The following resistors are in parallel across a voltage source: 220 Ω, 470 Ω, and 560 Ω. The resistor with the least current is
The following resistors are in parallel across a voltage source: 220 Ω, 470 Ω, and 560 Ω. The resistor with the least current is
Parallel resistors are connected between the same two points.
Parallel resistors are connected between the same two points.
A sudden increase in the total current into a parallel circuit may indicate
A sudden increase in the total current into a parallel circuit may indicate
A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 kΩ. The current through each bulb is approximately
A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 kΩ. The current through each bulb is approximately
In a five-branch parallel circuit, there are 12 mA of current in each branch. If one of the branches opens, the current in each of the other four branches is
In a five-branch parallel circuit, there are 12 mA of current in each branch. If one of the branches opens, the current in each of the other four branches is
Addition of resistors in parallel increases total resistance and decreases total current.
Addition of resistors in parallel increases total resistance and decreases total current.
The number of current paths equals the number of resistors in parallel.
The number of current paths equals the number of resistors in parallel.
The total resistance for two resistors in parallel is equal to the sum of the two resistors.
The total resistance for two resistors in parallel is equal to the sum of the two resistors.
Four resistors are connected in parallel. Fifteen mA flows through resistor R. If the second resistor is 2R, the third resistor 3R, and the fourth resistor 4R, the total current in the circuit is
Four resistors are connected in parallel. Fifteen mA flows through resistor R. If the second resistor is 2R, the third resistor 3R, and the fourth resistor 4R, the total current in the circuit is
Total power in a parallel circuit is found by adding up the power of all the individual resistors.
Total power in a parallel circuit is found by adding up the power of all the individual resistors.
An ammeter has an internal resistance of 50 Ω. The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately
An ammeter has an internal resistance of 50 Ω. The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately
The total current divides among parallel resistors in a manner directly proportional to the resistance values.
The total current divides among parallel resistors in a manner directly proportional to the resistance values.
