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प्रश्न
What does the direction of current convey?
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उत्तर
The direction of current conveys that the flow of electrons is opposite to the direction of flow of current.
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संबंधित प्रश्न
What is the current in a circuit if the charge passing each point is 20 C in 40 s?
You can given one hundred 1 Ω resistors. What is the smallest and largest resistance you can make in a circuit using these?
Using the circuit given below, state which of the following statement is correct?
(a) When S1 and S2 are closed, lamps A and B are lit.22
(b) With S1 open and S2 closed, A is lit and B is not lit.
(c) With S2 open and S1 closed A and B are lit.
(d) With S1 closed and S2 open, lamp A remains lit even if lamp B gets fused.
In which of the following cases more electrical energy is consumed per hour?
(i) A current of 1 ampere passed through a resistance of 300 ohms.
(ii) A current of 2 amperes passed through a resistance of 100 ohms.
Find the potential difference required to pass a current of 0.2 A in a wire of resistance 20Ω
Find the effective resistance in the following circuit diagrams (Fig.):
Match the items in column-I to the items in column-II:
| Column - I | Column - II | ||
| (i) | electric current | (a) | volt |
| (ii) | potential difference | (b) | ohm meter |
| (iii) | specific resistance | (c) | watt |
| (iv) | electrical power | (d) | joule |
| (v) | electrical energy | (e) | ampere |
For current to flow, one needs art open circuit.
