A bulb is rated 60 W, 240V. Calculate its resistance when it is on. If the voltage drops to 192V, what will be the power consumed and the current drawn ?

An electric bulb is rated at 220V,and 400W. What is its resistance?

A light bulb is rated at 200W for a 230 V supply. Find the resistance of the bulb.

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

An electric bulb is rated at 220V,and 100W. What is its resistance?

A light bulb is rated at 100W for a 220 V supply. Find (a) the resistance of the bulb, (b) the peak voltage of the source, and (c) the rms current through the bulb.

A light bulb is rated 100W for a 220V supply. The resistance of the bulb and the peak voltage of the source respectively are

If in an A.C. circuit voltage V and current is then the power dissipated in the circuit is …….

An electric iron consumes energy at a rate of 840 W, when heating is at the maximum rate and 360 W, when heating is atthe minimum. The voltage is 220V. What are the current and the resistance in each case?

An electric heater and an electric bulb are rated 500W. 220V and 100W, 220V respectively. Both are connected in series to a 220V d.c. mains. Calculate the power consumed by (i) the heater ana (ii) electric bulb.

A light bulb is rated at 100W for a 220 V supply. Find the peak voltage of the source