Current density () at an area = (î + 4ĵ) mm² is given by = (2î + 3ĵ) A/m². The current through the area is
i = · = (2 + 12) × 10⁻⁶ A = 14 μA
Equivalent resistance of the network between the terminals A and B is
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The power of an electric motor is 242 W when connected to a 220 V supply. When motor is operated at
MediumSeven resistors each of resistance R, are connected as shown in figure. The equivalent resistance be
EasyAssertion (A): Meter bridge wire is generally made of constantan. Reason (R): Constantan has a very
EasyEquivalent resistance of the network between the terminals A and B is
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