Home
Class 12
PHYSICS
Two infinitely long conducting parallel ...

Two infinitely long conducting parallel rails are connected through a capacitor C as shown in Fig. A conductor of length l is moved with constant speed `v_(0)`. Which of the following graph truly depicts the variation of current through the conductor with time?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
C
emf across capacitor is constant and equal to Blv. In steady state, no current flows through the circuit.
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS VOLUME 5

    CENGAGE PHYSICS|Exercise Multiple Correct|34 Videos

  • MISCELLANEOUS VOLUME 5

    CENGAGE PHYSICS|Exercise Linked Comprehension|84 Videos

  • MISCELLANEOUS VOLUME 3

    CENGAGE PHYSICS|Exercise True and False|3 Videos

  • Moving charges and magnetism

    CENGAGE PHYSICS|Exercise Question Bank|20 Videos

Similar Questions

Explore conceptually related problems

A constant voltage at different frequencies is applied across a capacitance C as shown in the figure. Which of the following graphs correctly depicts the variation of current with frequency

A constant voltage at different frequencies is applied across a capacitance C as shown in the figure. Which of the following graphs correctly depicts the variation of current with frequency?

Two smooth horizontal parallel conducting rails are connected with a capacitor and a resistor at the two ends as shown. A uniform conducting rod PQ of mass 'm' and length 'l' is dragged with a constant horizontal force 'F'. The terminal velocity aquired by the conducting rod is

A conducting rod is moving with a constant velocity v over the parallel conducting rails which are connected at the ends through a resistor R and capacitor C as shown in the figure. Magnetic field B is into the plane. Consider the following statements. i. Current in loop AEFBA is anti clockwise, ii. Current in loop AEFBA is clockwise iii Current through the capacitor is zero iv Energy stored in the caspacitor is 1/2 CB^2L^2v^2 Which is the following options in correct?

Two parallel long smooth conducting rails separated by a distance l are connected by a movable conducting connector of mass m . Terminals of the rails are connected by the resistor R and the capacitor C as shown in figure. A uniform magnetic field B perpendicular to the plane of the rail is switched on. The connector is dragged by a constant force F . Find the speed of the connector as a function of time if the force F is applied at t = 0 . Also find the terminal velocity of the connector.

A conducting rod PQ of mass m and length l is placed on two long parallel (smooth and conducting) rails connected to a capacitor as shown. The rod PQ is connected to a non conducting spring of spring constant k , which is initially in relaxed state. The entire arrangement is placed in a magnetic feild perpendicular to the plane of figure. Neglect the resistance of the rails and rod. Now, the rod is imparted a velocity v_(0) towards right, then acceleration of the rod as a function of its displacement x given by

An infinetely long conductor PQR is bent tor form a right angle as shown in Fig. A current I flows through PQR. The magnetic field due to this current carrying conductor at the point M is B_1 . Now, another infinitely long straight conductor QS, is connected at Q so that the current is 1/2I in QR as well as in QS, is the current in PQ remaininig unchanged. The magnetic field at M is now B_2 . The ratio B_1//B_2 is given by

Switch S of the circuit shows in Fig. is closed at t = 0 . If e denotes the induced emf in L and i the current flowing through the circuit at time t , then which of the following graphs correctly represents the variation of e with i ?

A capacitor is charged to a potential of V_(0) . It is connected with an inductor through a switch S. The switch is closed at time t=0. Which of the following statement(s) is/are correct?

Current l versus time t graph through a conductor is shown in the figure. Average current through the conductor in the interval 0 to 15 s is