A coil of inductance 300 mH and resistan...

A coil of inductance 300 mH and resistance `2Omega` is connected to a source of voltage 2V. The current reaches half of its steady state value is..

0.1 S

0.05 S

0.3 S

0.15 S

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A solenoid of inductance 50 mH and resistance 10 Omega is connected to a battery of 6V. Find the time elapsed before the current acquires half of its steady - stae value.

A coil having inductance 2.0 H and resistance 20 Omega is connected to a battery of emf 4.0 V. Find (a) the current a the instant 0.20 s after the connection Is made and (b) the magnetic energy at this instant.

A coil of inductance 1.0 H and resistance 100 Omega is connected to a battery of emf 12 V. Find the energy stored in the magnetic field associated with the coil at an instant 10 ms after the circuit is switched on.

A coil of inductance 0.50 H and resistance 100Omega is connected to a 240 V, 50 Hz ac supply. a. What is the maximum current in the coil? . b. What is the time lag between the voltage maximum and the current maximum?

A coil of inductance 0.1H and resistance 100 Omega are connected to a 210V, 50Hz AC supply. Find the maximum current in the coil and time lag between maximum voltage and maximum current.

A coil having an inductance L and a resistance R is connected to a battery of emf epsilon . Find the time elapsed before (a) the current reaches half its maximum value, (b) the power dissipated in heat reaches half its maximum value and © the magnetic field energy stored in the circuit reaches half its maximum value.

A coil of inductance 5.0 mH and negligible resistance is connected to the oscillator giving an output voltage 'ε=(10V)sinωt'.Find the peak currents in the circuit for omega = 100 s^(-1), 500 s^(-1), 1000 s^(-1) .

A battery of emf 10 V and internal resistance 3Omega is connected to a resistor. The current in the circuit is 0.5A. The terminal voltage of the battery when the circuit is closed is

An inductor coil of resistance 10 Omega and inductance 120 mH is connected across a battery of emf 6 V and internal resistance 2 Omega . Find the charge which flows through the inductor in (a) 10 ms, (b) 20ms and (c ) 100ms after the connections are made.

SARAS PUBLICATION-MODEL QUESTION PAPER 2-EXERCISE

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