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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
- In the circuit , the galvanometer G shows zero deflection. If the batt...
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- A 5V battery with internal resistance2Omega and a 2V battery with inte...
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- The total current supplied to the circuit by the battery is
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- In a meter bridge experiment null point is obtained at 20 cm. from one...
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- In a potentiometer experiment , the balancing with a cell is at length...
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- The length of a wire of a potentiometer is 100 cm, and the e.m.f. of i...
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- The mean free path of electrons in a metal is 4xx10^-8m. eY energy to ...
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- From the graph between current (I) and voltage (V) as shown in the fig...
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- The electric resistance of a certain wire of ron is R. If its length a...
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- The copper wires of elngths and cross-sectional areas are (l,A), (2l,A...
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- A wire of resistance 10Omega is elongated by 10%. The resistance of th...
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- A wire of certain material is stretched slowly by 10% its new resistan...
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- The specific resistance of a condutor increases with
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- Si and Cu are cooled from 300 K to a temperative of 60 K. Then resisti...
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- What is a fuse wire? What is its material? Give the characteristics of...
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- 1 kW h is equal to
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- An electric bulb marked 40W-200 V is used in a circuit of supply volta...
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- When three identical bulbs of 60 watt-200 volt rating are connected in...
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- In India electricity is supplied for domestic use at 220 V. It is supp...
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- An electric kettle takes 4 A current at 220 V. How much time will it t...
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