English

Predict the Polarity of the Capacitor in the Situation Described Below - Physics

Advertisements
Advertisements

Question

Predict the polarity of the capacitor in the situation described below :

Advertisements

Solution

The polarity of plate ‘A’ will be positive with respect to plate ‘B’ in the capacitor

shaalaa.com
  Is there an error in this question or solution?
2016-2017 (March) All India Set 1

RELATED QUESTIONS

Solve the following problem.

A magnetic pole of a bar magnet with a pole strength of 100 A m is 20 cm away from the centre of a bar magnet. The bar magnet has a pole strength of 200 A m and has a length of 5 cm. If the magnetic pole is on the axis of the bar magnet, find the force on the magnetic pole.


Answer the following question in detail.

A circular magnet is made with its north pole at the centre, separated from the surrounding circular south pole by an air gap. Draw the magnetic field lines in the gap.


Answer the following question in detail.

Two bar magnets are placed on a horizontal surface. Draw magnetic lines around them. Mark the position of any neutral points (points where there is no resultant magnetic field) on your diagram.


A closely wound solenoid of 800 turns and area of cross-section 2.5 × 10–4 m2 carries a current of 3.0 A. Explain the sense in which the solenoid acts like a bar magnet. What is its associated magnetic moment?


A closely wound solenoid of 2000 turns and area of cross-section 1.6 × 10-4 m2 , carrying a current of 4.0 A, is suspended through its centre allowing it to turn in a horizontal plane.

What is the force and torque on the solenoid if a uniform horizontal magnetic field of 7.5 × 10-2 T is set up at an angle of 30° with the axis of the solenoid?


Which of the following statement about magnetic field lines is true?


According to the dipole analogy 1/ε0 corresponds to ______.


The ratio of magnetic fields due to a smaller bar magnet in the end on position to broad side on position is ______.

The magnetic moment of atomic neon is equal to


A bar magnet is demagnetized by inserting it inside a solenoid of length 0.2 m, 100 turns, and carrying a current of 5.2 A. The coercivity of the bar magnet is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×