A bulb is conneted to an ideal battery of emf 10 V so that the resulting current is 10 mA. When the bulb is connected to 220 V mains (ideal), the current is 50 mA. Choose the correct alternative (s)

A bulb is connected to a battery of emf 10 V so that the resulting current is 10 mA. When the bulb is connected to 220 V mains , the current is 50mA. Choose the correct alternative (s)

An electric bulb is connected to a 220 V generator. The current is 0.50 A. What is the power of the bulb?

An electric bulb is connected to a 220 V generator. The current is 0.50 A. What is the power of the bulb?

An electric bulb is connected to battery of e.m.f. 10V and 0.01 A current is flowing through the bulb. But when it is connected to 220V mains then the cureent is 0.05 A. Explain this apparent discrepancy with ohm's law.

An electric bulb is connected to a 220 V generator. The current is 0.50 A . What is the power of the bulb ?

An electric bulb is connected to a 220 V generator. The current is 0.50 A . What is the power of the bulb ?

When an inductor coil is connected to an ideal battery of emf 10V, a constant current 2.5 S flows. When the same inductro coil is connected to an ac source of 10V and 50 HZ then the current is 2A. Find out the inductance of the coil.

When an inductor coil is connected to an ideal battery of emf 10V, a constant current 2.5 A flows. When the same inductor coil is connected to an ac source of 10V and 50 HZ then the current is 2A. Find out the inductance of the coil.

An electric bulb is connected to a 220 V generator. The current is 0.5 A. What is the power of the bulb ?

A bulb rated 60 W-120 V is connected to 80 V mains. What is the current through the bulb