निम्नलिखित में से कौन सा व्यंजक विद्युत शक्ति को निरूपित नहीं करता है?

When the electric current flowing through a resistor is doubled while keeping its resistance constant, the electrical power dissipated in the resistor:

An electric bulb is connected to a 220 V generator. If the current is 0.50 A, what is the power of the bulb?