10th Standard Science Chapter 13

Q1. The magnetic field lines outside a bar magnet:

Q2. The north pole of Earth’s magnet is in the:

Q3. A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid:

Q4. A current carrying conductor is held in exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should be passed in the conductor:

Q5. The force exerted on a current carrying wire placed in a magnetic field is zero when the angle between wire and the direction of magnetic field is:

Q6. An induced emf is produced when a magnet is moved into a coil. The magnitude of induced emf does not depend on:

Q7. A positive charge is moving towards a person. The direction of magnetic field lines will be in

Q8. A fuse should always be placed in the

Q9. If two circular coils can be arranged in any of the three situations as shown in the diagrams below, then their mutual induction will be:

Q10. A coil of insulated copper wire is connected to a galvanometer forming a loop and a magnet is:

A: Held stationary

B: Moved away along its axis

C: Moved towards along its axis