Physics-
General
Easy

Question

A circuit element is placed in a closed box. At time t=0, constant current generator supplying a current of 1 amp, is connected across the box. Potential difference across the box varies according to graph shown in figure. The element in the box is :

  1. resistance of 2capital omega    
  2. battery of emf 6V    
  3. inductance of 2H    
  4. capacitance of 0.5F    

The correct answer is: capacitance of 0.5F

Related Questions to study

General
physics-

A conducting ring of radius a is rotated about a point O on its periphery as shown in the figure in a plane perpendicular to uniform magnetic field B which exists everywhere. The rotational velocity is omega.

Choose the correct statement(s) related to the magnitude of potential differences

A conducting ring of radius a is rotated about a point O on its periphery as shown in the figure in a plane perpendicular to uniform magnetic field B which exists everywhere. The rotational velocity is omega.

Choose the correct statement(s) related to the magnitude of potential differences

physics-General
General
physics-

A conducting rod PQ of length L = 1.0 m is moving with a uniform speed v = 20 m/s in a uniform magnetic field B = 4.0 T directed into the paper. A capacitor of capacity C = 10 mu F is connected as shown in figure. Then

A conducting rod PQ of length L = 1.0 m is moving with a uniform speed v = 20 m/s in a uniform magnetic field B = 4.0 T directed into the paper. A capacitor of capacity C = 10 mu F is connected as shown in figure. Then

physics-General
General
physics-

In the previous question, if B is normal to the plane of the rails

In the previous question, if B is normal to the plane of the rails

physics-General
parallel
General
physics-

AB and CD are smooth parallel rails, separated by a distance l, and inclined to the horizontal at an angle theta. A uniform magnetic field of magnitude B, directed vertically upwards, exists in the region. EF is a conductor of mass m, carrying a current i. For EF to be in equilibrium,

AB and CD are smooth parallel rails, separated by a distance l, and inclined to the horizontal at an angle theta. A uniform magnetic field of magnitude B, directed vertically upwards, exists in the region. EF is a conductor of mass m, carrying a current i. For EF to be in equilibrium,

physics-General
General
physics-

Two circular coils A and B are facing each other as shown in figure. The current i through A can be altered

Two circular coils A and B are facing each other as shown in figure. The current i through A can be altered

physics-General
General
physics-

A conducting wire frame is placed in a magnetic field which is directed into the paper. The magnetic field is increasing at a constant rate. The directions of induced currents in wires AB and CD are

A conducting wire frame is placed in a magnetic field which is directed into the paper. The magnetic field is increasing at a constant rate. The directions of induced currents in wires AB and CD are

physics-General
parallel
General
physics-

The adjoining figure shows two different arrangements in which two square wire frames are placed in a uniform constantly decreasing magnetic field B.

If I1 and I2 are the magnitudes of induced current in the cases I and II, respectively, then

The adjoining figure shows two different arrangements in which two square wire frames are placed in a uniform constantly decreasing magnetic field B.

If I1 and I2 are the magnitudes of induced current in the cases I and II, respectively, then

physics-General
General
physics-

The adjoining figure shows two different arrangements in which two square wire frames are placed in a uniform constantly decreasing magnetic field B.

The direction of induced current in the case II is

The adjoining figure shows two different arrangements in which two square wire frames are placed in a uniform constantly decreasing magnetic field B.

The direction of induced current in the case II is

physics-General
General
physics-

The adjoining figure shows two different arrangements in which two square wire frames are placed in a uniform constantly decreasing magnetic field B.

The direction of induced current in the case I is

The adjoining figure shows two different arrangements in which two square wire frames are placed in a uniform constantly decreasing magnetic field B.

The direction of induced current in the case I is

physics-General
parallel
General
physics-

The adjoining figure shows two different arrangements in which two square wire frames are placed in a uniform constantly decreasing magnetic field B.

The value of magnetic flux in each case is given by

The adjoining figure shows two different arrangements in which two square wire frames are placed in a uniform constantly decreasing magnetic field B.

The value of magnetic flux in each case is given by

physics-General
General
physics-

The circuit shown is in a uniform magnetic field that is into the page and is decreasing in magnitude at the rate of 150 tesla/second. The ideal ammeter reads

The circuit shown is in a uniform magnetic field that is into the page and is decreasing in magnitude at the rate of 150 tesla/second. The ideal ammeter reads

physics-General
General
physics-

In the shown AC circuit phase different between currents I1 and I2 is

In the shown AC circuit phase different between currents I1 and I2 is

physics-General
parallel
General
physics-

The current I, potential difference VL across the inductor and potential difference VC across the capacitor in circuit as shown in the figure are best represented vectorially as

The current I, potential difference VL across the inductor and potential difference VC across the capacitor in circuit as shown in the figure are best represented vectorially as

physics-General
General
physics-

If I1, I2, I3 and I4 are the respective r.m.s. values of the time varying currents as shown in the four cases I, II, III and IV. Then identify the correct relations.

If I1, I2, I3 and I4 are the respective r.m.s. values of the time varying currents as shown in the four cases I, II, III and IV. Then identify the correct relations.

physics-General
General
physics-

In the circuit diagram shown, XC = 100 capital omega, XL = 200 capital omega and R = 100 capital omega. The effective current through the source is

In the circuit diagram shown, XC = 100 capital omega, XL = 200 capital omega and R = 100 capital omega. The effective current through the source is

physics-General
parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.