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संबंधित प्रश्न
What does an electric circuit mean?
If the charge on an electron is 1.6 × 10−19 coulombs, how many electrons should pass through a conductor in 1 second to constitute 1 ampere current?
A p.d. of 6 V is applied to two resistors of 3 Ω and 6 Ω connected in parallel. Calculate:
(a) the combined resistance
(b) the current flowing in the main circuit
(c) the current flowing in the 3 Ω resistor.
Draw a circuit diagram to show how two 4 V electric lamps can be lit brightly from two 2 V cells.
Draw a circuit diagram showing two lamps, one cell and a switch connected in series.
How can you change the brightness of the lamp?
If the current passing through a conductor is doubled, what will be the change in heat produced
The diagram shows two ways of connecting three lamps P, Q and R to A.C. supply of 220 V.
State the conditions for the flow of charge in a circuit from one point to the other.
