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Oersted's Experiment on Electromagnetism

10 Questions

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Oersted's Experiment on Electromagnetism

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Questions and Answers

What happens to the compass needle when the key is open and the wire is in the S-N direction?

The needle does not show any deflection

The needle points in the SN direction, perpendicular to the wire

The needle points in the NS direction, parallel to the wire (correct)

The needle points in the WE direction, perpendicular to the wire

If the current passing from A to B is increased, what happens to the deflection of the compass needle below the wire?

The deflection remains unchanged

The deflection increases (correct)

The needle aligns itself with the wire

The deflection decreases

What inference can be drawn about producing a magnetic field around a current-carrying wire?

The magnitude of current does not affect the strength of the magnetic field produced

The direction of current does not influence the magnetic field produced

Current produces a magnetic field around it (correct)

Only moving charge produces a magnetic field around it

What happens to the deflection of the compass needle when the direction of the current in the wire is reversed?

The deflection direction is reversed Signup and view all the answers

What is the pattern of magnetic field lines inside a solenoid?

Straight and parallel Signup and view all the answers

What factor influences both the strength and direction of the magnetic field produced by a single straight wire?

Magnitude and direction of current Signup and view all the answers

In the vicinity of wires P and Q, what is the shape of the magnetic field lines?

Nearly circular Signup and view all the answers

What happens to the pattern of magnetic field lines when the direction of current in a loop is reversed?

The polarity of the loop faces reverses Signup and view all the answers

How does an increase in current affect the arrangement of iron fillings around a wire?

Magnetic field lines become denser and the iron fillings get closely spaced Signup and view all the answers

What is the significance of the direction of the North pole of a compass in a magnetic field?

It gives the direction of the magnetic field line at that point Signup and view all the answers