Current electricity questions | form three Physics

What is the total resistance of two resistors, R1 = 2 Ω and R2 = 3 Ω , connected in parallel?
A. 1.2 Ω
B. 5 Ω
C. 6 Ω
D. 12 Ω

Answer / Solution

UNSOLVED

A potential difference of 24 Volts is applied across a resistor of resistance 12 ohms. The current flowing in the circuit is:
A. 0.5 Amps
B. 1.5 Amps
C. 2.0 Amps
D. 2.5 Amps

Answer / Solution

UNSOLVED

A potential difference of 24 volts is applied across a resistor of resistance 12
ohms. The current flowing in the circuit is:
A. 0.5 A
B. 1.5 A
C. 2.0 A
D. 2.5 A

Answer / Solution

UNSOLVED

A potential difference of 12 volts is applied across a resistor of resistance 24 ohms. The
current flowing in the circuit is:
A. 0.5 A
B. 0.05 A
C. 0.005 A
D. 0.0005 A.

Answer / Solution

UNSOLVED

What is the function of a rheostat in an electric circuit?

Answer / Solution

UNSOLVED