(a) How much current will an electric bulb draw from a 220 V source, if the resistance of the bulb filament is 1200 Omega ? (b) How much current will an electric heater draw from a 220 V source, if the resistance of the heater coil is 100 Omega ?
How much current will an electric bulb draw from a 220 V source, if the resistance of the bulb filament is 1200 Omega ?
How much current does an electric heater draw from a 220 V line, If the resistance of the heater (when hot) is 50 Omega ?
A 100 W heater coil is rated 200 V. Find the resistance of thwe coil.
A 1250 W heater operates at 115V . What is the resistance of the heating coil?
A 1600 W, 180 V heater operates at 180 V. The resistance of heating coil is
A 1600 W , 180 V heater operates at 180 V . The resistance of heating coil is
An electric heater draws a current of 10A from a 220V supply. What is the cost of using the heater for 5 hours everyday for 30 days if the cost of 1 unit (1 kWh) is Rs 5.20?
BEIITIANS-ELECTRIC CURRENT AND ITS EFFECTS-IIT JEE WORKSHEET (V. Matrix Matching)