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प्रश्न
1 kWh = `(1 "volt" xx 1 "ampere" xx "_________")/1000`
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उत्तर
1 kWh = `(1 "volt" xx 1 "ampere" xx bbunderline(1 "hour"))/1000`
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संबंधित प्रश्न
A 5 V battery is connected to two 20 Ω resistors which are joined together in series.
(a) Draw a circuit diagram to represent this. Add an arrow to indicate the direction of conventional current flow in the circuit.
(b) What is the effective resistance of the two resistors?
(c) Calculate the current that flows from the battery?
(d) What is the p.d. across each resistor?
A cell supplies a current of 1.2 A through two 2 Ω resistors connected in parallel. When the resistors are connected in series, it supplies a current of 0.4 A. Calculate:
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Complete the following sentence:
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Fig. shows a 3 pin plug with the cover removed. The electric cable
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Answer the following question.
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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.
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