If the current in a fixed resistor is reduced to half of its initial value

PHYSICS · Single correct · A Level · Physics · Electricity · Electricity

Problem

If the current in a fixed resistor is reduced to half of its initial value, the power dissipated in the resistor becomes (a)

2P_0

(b)

\dfrac{P_0}{2}

(c)

\dfrac{P_0}{4}

(d)

4P_0