Moving Charges and Magnetism questions
775 published questions with worked solutions.
- A vertical straight conductor carries a current vertically upwards. A point P lies to the east of it at a small distance and...
- Two identical long conducting wires AOB and COD are placed at right angles to each other, with one above other such that O is...
- A length L of wire carries a steady current I. It is bent first to form a circular plane coil of one turn. The same length is now...
- A solenoid has length 0.4 cm, radius 1 cm and 400 turns of wire. If a current of 5 A is passed through this solenoid, what is the...
- The ratio of magnetic field and magnetic moment at the centre of a current carrying circular loop is x. When both the current and...
- A long straight wire carries a current of ampere. The magnetic field due to it will be 5 10^ -5 weber/m^2 at what distance from...
- If the strength of the magnetic field produced 10 cm away from a infinitely long straight conductor is 10^ -5 weber/m^2, the...
- A long straight wire of radius 'a' carries a steady current i. The current is uniformly distributed across its cross-section. The...
- There are 50 turns of a wire in every cm length of a long solenoid. If 4 ampere current is flowing in the solenoid, the...
- In a moving coil galvanometer, the deflection of the coil is related to the electrical current i by the relation
- A rectangular coil 20 cm 20 cm has 100 turns and carries a current of 1 A. It is placed in a uniform magnetic field B=0.5 T with...
- Statement 1: Higher the range, greater is the resistance of ammeter Statement 2: To increase the range of ammeter, additional...
- The resistance of a galvanometer is 90 ohms. If only 10 percent of the main current may flow through the galvanometer, in which...
- For the galvanometer working as voltmeter ________ is connected with the coil of the galvanometer [G CET 2014]
- Statement 1: An ammeter is always connected in series whereas a voltmeter is connected in parallel Statement 2: An ammeter is a...
- A galvanometer of resistance 50 gives a full scale deflection for a current 5 10^ -4 A. The resistance that should be connected...
- A galvanometer having internal resistance 10 requires 0.01 A for a full scale deflection. To convert this galvanometer to a...
- When a resistance of 100 is connected in series with a galvanometer of resistance R, its range is V. To double its range, a...
- A range of galvanometer is 'V', when 50 resistance is connected in series. Its range gets doubled when 500 resistance is...
- Sensitivity of a moving coil galvanometer can be increased by [MH-CET 2015]
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