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

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

An electric bulb is rated 220V and 100W. When it is operated on 110V the power consumed will be …………… .

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 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.

How much current will an electric bulb draw from a 220 V source, if the resistance of the bulb filament is 1200 Omega ?

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

A hot plate of an electric oven connected to a 220V line has two resistance coils A and B, each of 24 Omega resistance, which may be used separately, in series, or in parallel. What are the currents in the three cases?

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

Two electric bulbs rated P_(1) watt V volt and P_(2) watt V, these are joined in parallel and voltage V are applied to it. The total power will be