A lamp of 100 W works at 220 volt. What is its resistance and current capacity?

The resistance of a conductor of a conductor is 5Omega at 50^@C, and 6Omega at 100^@C . What is its resistance at 0^@C ?

A light bulb is rated at 100 W for a 220 V a.c. supply. Find the resistance of the bulb.

An electric bulb is rated 220V and 100 W. what is its resistance? Five such bulbs burn for 4 hours. What is the electrical energy consumed? Calculate the cost if the rate is 50 paise per unit.

Two lamps, one rated 100 W at 220 V and other 60 W at 220 V, are connected in parallel to electric main supply. What current is drawn from the line if the supply voltage is 220 V?

An electric lamb of 100 Omega a toaster of resistance 50 Omega and a water filter of resistance 500 Omega are connected in parallal to a 220 V source.What is the resistance of the electric iron connected to the same cource that takes as much current as all the three application and what is the current through it?

A 100 Omega resistor is connected to a 220 V, 50 Hz ac supply. What is the rms value of current in the circuit?

An electric lamp of 200 ohm and a toaster of 100 ohm are connected in parallel to a 220 V electricity source. What will be resistance of an electric iron which when connected to the same electric source permits the same current as the total current flowing through both the appliances described above?

A galvanometer has a a coil resistance 100 ohm and gives a full scale deflection for 30 mA current. If it is to work as a voltmeter of 30 volt rang, the resistance required to be added will be