5 identical lamps each resistance R= 1100 Omega are connected in parallel to a source of emf 220 V. Find the amount of current drawn from the source.

Several electric bulbs designed to be used on a 220V electric supply line, are rated 10 W. How many lamps can be connected in parallel with each other across the two wires of 220V line if the maximum allowable current is 5A?

An electric lamp of 100Omega , a toaster of resistance 50Omega , and a water filter of resistance 500Omega are connected in parallel to a 200V 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?

The electric mains in house are marked 220V, 50 Hz. Write down the equation of instantaneous voltage.

A resistor of 200 Omega and a capacitor 15mu F are connected in series to a 220V, 50 Hz AC source. Calclate the current in the circuit.

Three capacitors of capacitances 2 pF, 3 pF and 4 pF are connected in parallel Determine the charge on each capacitor, if the combination is connected to a 100 V supply.

A home is supplied with electrical power at 220V from a transmission line operating at 4.4 k.V. The efficiency of the transformerin the locality is 95 %. The power generating station is 1km away from the transformer and the transmission line wire has a resistance of 50 Omega//km . Find (a) turns ratio of the tranformer. (b) what current will be drawn from the transmission line when varous appliances in the home draw 10 A from the transformer ?

A wire of 152 resistance is gradually stretched to double its original length. It is then cut into two equal parts. These parts are then connected in parallel across a 3 V cell. Find the current drawn from the cell.

A resistor of 200 Omega and a capacitor of 15.0 mu F are connected in series to a 200 V, 50 Hz AC source. Calculate the current in the circuit and the rms voltage across the resistor and the capacitor. Is the algebraic sum of these voltages more than the source voltage? If yes, resolve the paradox.

A light bulb is rated at 60w for a 230 v supply. Find the rms current through the bulb