Category: 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___________?

Hamad Parallel Circuits 30/06/2020

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

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_____________?

Hamad Parallel Circuits 22/06/2020

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A. 1 A
B. 7 A
C. unknown
D. the larger of the two

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___________?

Hamad Parallel Circuits 22/06/2020

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A. 55 Ω
B. 5.5 Ω
C. 50 Ω
D. 9 Ω

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_________________?

Hamad Parallel Circuits 19/06/2020

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A. 50 mA
B. 70 mA
C. 120 mA
D. 40 mA

If one of the resistors in a parallel circuit is removed, the total resistance_____________?

Hamad Parallel Circuits 31/05/2020

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A. decreases
B. increases
C. remains the same
D. doubles

The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is________________?

Hamad Parallel Circuits 01/05/2020

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A. 1.2 W
B. 4.8 W
C. 0.3 W
D. 12 W