Home
Class 12
PHYSICS
An inductor of inductance L = 8 H and a ...

An inductor of inductance L = 8 H and a resistor of resistance R = 2Ω are connected in series with a battery of emf E = 10 V as shown in the figure. If the switch is closed at t = 0, then the voltage drop across the inductor at t = 1 s will be in volts)

A

`5/2e^(-1/2)`

B

`5e^(-1/4)`

C

`5/8e^(-1/2)`

D

`10e^(-1/4)`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

An inductor L and a resistance R are connected in series with a battery of emf E and a switch. Initially the switch is open. The switch is closed at an instant t = 0. Select the correct alternatives

An inductor of reactance X_L = 4 Ω and resistor of resistance R = 3 Ω are connected in series with a voltage source of emf ε = (20 V)[sin (100pi ((rad)/s))t] . The current in the circuit at any time t will be

An inductor of inductance L = 400 mH and resistors of resistance R_(1) = 2Omega and R_(2) = 2Omega are connected to a battery of emf 12 V as shown in the figure. The internal resistance of the battery is negligible. The switch S is closed at t = 0 . The potential drop across L as a function of time is

An inductor of inductance L = 400 mH and resistors of resistance R_(1) = 2Omega and R_(2) = 2Omega are connected to a battery of emf 12 V as shown in the figure. The internal resistance of the battery is negligible. The switch S is closed at t = 0 . The potential drop across L as a function of time is

An inductor of inductance L = 400 mH and resistors of resistance R_(1) = 2Omega and R_(2) = 2Omega are connected to a battery of emf 12 V as shown in the figure. The internal resistance of the battery is negligible. The switch S is closed at t = 0 . The potential drop across L as a function of time is

An inductor of inductance L=400 mH and resistors of resistances R_1=2Omega and R_2=2Omega are connected to a battery of emf E=12 V as shown in the figure. The internal resistance of the battery is negligible. The switch S is closed at time t=0 . What is the potential dro across L s a function of time? After the steady state is reached, the switch is opened. What is the direction ad the magnitude of current throough R_1 as a function of time?

An inductor of 2 H and a resistance of 10Omega are connects in series with a battery of 5 V. The initial rate of change of current is

A pure inductor L , a capactior C and a resistance R are connected across a battery of emf E and internal resistance r as shows in Fig. Switch S_(W) is closed at t = 0 , select the correct altermative (S).

Three capacitors (of capacitances C , 2C and 3C ) and three resistors (of resistance R , 2R and 3R ) are connected with a battery and switch S as shown in the figure. When switch S is open, charges on the capacitors are shown. Switch S is closed at t=0 sec . The time constant of the circuit will be

An inductor L and a resistor R are connected in series to a battery, through a key/switch. Show graphically, how current decreases with time when the key/switch is opened.