What happens to total resistance in a circuit with parallel resistors if one of

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Question
What happens to total resistance in a circuit with parallel resistors if one of them opens?
Options
A. It increases.
B. It halves.
C. It remains the same.
D. It decreases.

Correct Answer

It increases.

Parallel Circuits problems

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1.

What would these meter readings indicate about the circuit in the given circuit?
Meter Readings: I = 7.6 mA, V = 12 V
Options
A. R₁ is open.
B. R₂ is open.
C. The fuse is open.
D. The circuit is operating normally.

5.

What would these meter readings indicate about the circuit in the given circuit?
Meter Readings: I = 10 mA, V = 12 V
Options
A. R₁ is open.
B. R₂ is open.
C. The fuse is open.
D. The circuit is operating normally.

10. What procedure should be followed when troubleshooting with an ammeter or voltmeter?
Options
A. Short the leads and adjust.
B. Check the meter's external power supply.
C. Start with the highest scale and adjust down to a lower scale.
D. Start with the lowest scale and adjust up to a higher scale.

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