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संबंधित प्रश्न
Which of the following equation shows the correct relationship between electrical unit?
1A = 1C/s or 1c= 1A/s
What is the current in a circuit if the charge passing each point is 20 C in 40 s?
The p.d. across a 3 Ω resistor is 6 V. The current flowing in the resistor will be:
(a) `1/2A`
(b) 1 A
(c) 2 A
(d) 6 A
Two resistors of 2.0 Ω and 3.0 Ω are connected (a) in series (b) in parallel, with a battery of 6.0 V and negligible internal resistance. For each case draw a circuit diagram and calculate the current through the battery.
Two resistors P and Q of the same material and length but of different thickness are connected in parallel to a battery. The cross- sectional area of P is twice that of Q. What is the ratio of
(a) The resistance of P to the resistance of Q?
(b) The current in P to the current in Q?
Fill in the blank :
1 mA = ............................. A.
What is the rate at which charges flow past a point on a circuit?
1020 electrons, each having a charge of 1.6 x 10-19 C, flows in a circuit V is 0.1s. What is the current in ampere?
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 |