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Parallel Circuits

A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately________________?

Parallel Circuits /
A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately________________?

A. 790 Ω
B. 470 Ω
C. 60 Ω
D. 30 Ω

A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately________________? Read More »

Parallel Circuits

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______________?

Parallel Circuits /
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. 12.5 Ω
B. 200 Ω
C. 20 KΩ
D. 50 Ω

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______________? Read More »

Parallel Circuits

When a 1.6 kΩ resistor and a 120Ω resistor are connected in parallel, the total resistance is____________?

Parallel Circuits /
When a 1.6 kΩ resistor and a 120Ω resistor are connected in parallel, the total resistance is____________?

A. greater than 1.6 kΩ
B. greater than 120 but less than 1.6 kΩ
C. less than 120 but greater than 100 Ω
D. less than 100 Ω

When a 1.6 kΩ resistor and a 120Ω resistor are connected in parallel, the total resistance is____________? Read More »

Parallel Circuits

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___________?

Parallel Circuits /
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___________?

A. 55 Ω
B. 5.5 Ω
C. 50 Ω
D. 9 Ω

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___________? Read More »

Parallel Circuits

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_____________?

Parallel Circuits /
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_____________?

A. 18 W
B. 1.5 W
C. 48 W
D. 72 W

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_____________? Read More »

Parallel Circuits

Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately_______________?

Parallel Circuits /
Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately_______________?

A. 2.3 A
B. 780 mA
C. 47 mA
D. 7.06 A

Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately_______________? Read More »

Parallel Circuits

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_______________?

Parallel Circuits /
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_______________?

A. 48 mA
B. 12 mA
C. 0 A
D. 3 mA

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_______________? Read More »

Parallel Circuits

Five light bulbs are connected in parallel across 110 V. Each bulb is rated at 200 W. The current through each bulb is approximately___________?

Parallel Circuits /
Five light bulbs are connected in parallel across 110 V. Each bulb is rated at 200 W. The current through each bulb is approximately___________?

A. 2.2 A
B. 137 mA
C. 1.8 A
D. 9.09 A

Five light bulbs are connected in parallel across 110 V. Each bulb is rated at 200 W. The current through each bulb is approximately___________? Read More »

Parallel Circuits

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___________?

Parallel Circuits /
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. 610 mA
B. 18 mA
C. 110 mA
D. 61 mA

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___________? Read More »

Parallel Circuits