Current Electricity

Related Questions

• The resistance of a galvanometer is 50 ohms and the current required to give full scale deflection is $100\,\mu A$. In order to convert it into an ammeter, reading upto 10A, it is necessary to put a resistance of

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• A 2 volt battery, a $15\,\Omega $ resistor and a potentiometer of 100 cm length, all are connected in series. If the resistance of potentiometer wire is$5\,\Omega $, then the potential gradient of the potentiometer wire is

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• Conductivity increases in the order of

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• Sensitivity of potentiometer can be increased by

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• Express which of the following setups can be used to verify Ohm’s law

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