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The current of transistor in common emitter mode is 49. The change in collector current and emitter current corresponding to the change in the base current by 5.0 muA m will be :-

The current of transistor in common emitter mode is 49. The change in collector current and emitter current corresponding to the change in the base current by 5.0 muA m will be :-

The current through the 5Omega resistor is

An infinite collection of current carrying conductor each carrying a current I outward perpendicular to paper are placed at x = a, x= 3a, x = 5a, .... on the x-axis. Another infinite collection of current carrying conductor each carrying current inward perpendicular to paper are placed at x = 2a, x = 4a x = a... where a is a positive constant. Then the magnetic field at the origin due to the above collection of current carrying conductor is

A straight , long wire carries a current a current of 20A. Another wire carrying equal current is placed parallel to it. If the force acting on a length of 10cm of the second wire is (2.0 xx (10^-5)) N , what is the separation between them?

Current through the 5Omega resistor is

The network shown is a part of the closed circuit which the current is changing. At an instant, current in it is 5A. Potential difference between the points A and B if the current is 1) increasing at 1 A//sec 2) decreasing at 1 A//sec

The secondary coil of an ideal step down transformer is delivering 500 watt power at 12.5 A current. If the ratio of turns in the primary to the secondary is 5 : 1 then the current flowing in the primary coil will be:

The peak value of an alternating current is 5 A and its frequency is 60 Hz . Find its rms value. How long will the current take to reach the peak value starting from zero?