A Toaster of resistance `100 om` is connected to 220 volt line. calculate the current drawn by the toaster.

A bulb of resistance 400 Omega is connected to 220 V mains. Calculate the magnitude of current.

Seven identical lamps of resistance 220 Omega each are connected to a 220 V line as shown in Then the reading in the ammeter will be

A resistor of resistance 50 Omega is connected to a power source at 220 V. Calculate the peak voltage and average voltage over half cycle if frequency of source is 50 Hz. Also calculate the rms value of current.

A 10 mu g capacitor is in series with a 50 Omega resistance and the combination is connected to a 220V , 50Hz line. Calculate (i) the capactive reactance, (ii) the impedance of the circuit and (iii) the current in the circuit.

A 0.21 H inductor and a 12 ohm resistance are connected in series to a 220 V . 50 Hz ac source. Calculate the current in the circuit and the phase angle between the current and the source voltage.

An electric lamb 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 ans what is the current through it ?

An electric heater draws a current of 5 A when connected to 220 V mains. Calculate the resistance of its filament.

If a bulb of 60 W is connected across a source of 220 V, find the current drawn by it.