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Write down the formula which relates electric charge, time and electric current
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(b) In which circuit, if one bulbs be brighter?
Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line.
(d) Which circuit would have less current in it?
A wire of uniform thickness with a resistance of 27Ω is cut into three equal pieces and they are joined in parallel. Find the equivalent resistance of the parallel combination.
Fig. shows a 3 pin plug with the cover removed. The electric cable
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- Identify each of the colour coded wires by stating to which of the
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Calculate the current through a 60 W lamp rated 250 V. If the line voltage falls to 200 V, how is power consumed by the bulb affected?
Study the following circuit and find out:
(i) Current in 12 Ω resistor.
(ii) The difference in the readings of A1 and A2, if any.
For current to flow, one needs art open circuit.
