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A moving-coil meter with an internal resistance of 100 has a full-scale deflection when a current of 10m A flows through it. What value of resistance would convert it to read 10 V at full-scale deflection?
A resistance wire of length 2m and of uniform cross sectional area 5.0 x 10-7m2 has a resistance of 2.2. Calculate the resistivity.
Electrical resistance is the property of an electrical conductor that causes electrical energy to be converted into
Which of the following is not a conductor of electricity?
When a potential difference, V is applied across the ends of a resistor of resistance, R, a current, I passes through the resistor. The heat generated in the resistor in time, t is given by the expression