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प्रश्न
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उत्तर
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संबंधित प्रश्न
Draw the electrical symbols of the following components and state its use
Wire crossing
Three 2 V cells are connected in series and used as a battery in a circuit.
What is the p.d. at the terminals of the battery?
What is the conventional direction of the flow of electric current? How does it differ from the direction of flow electrons?
An electric bulb of resistance 20 Ω and a resistance wire of 4 Ω are connected in series with a 6 V battery.
Draw the circuit diagram, and calculate:
(a) total resistance of the circuit.
(b) current through the circuit.
(c) potential difference across the electric bulb.
(d) potential difference across the resistance wire.
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.

State the condition when it is advantageous to connect cells in parallel.
True or False – If False give the correct answer
The representation of the electric current is A
