RRB JE Force — practice questions

Explore 2 free Force questions in RRB JE Physics. Open each question or exercise to read its content, reference answers and available explanation.

Force questions and exercises with answers

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Questions

Statement is true
Yes
Statement
A current-carrying conductor produces a magnetic field around it.
Statement is true
Yes
Statement
Magnetic field lines are closed curves.
Statement is true
No
Statement
Inside a solenoid, the field is non-uniform and weak.
Statement is true
Yes
Statement
The direction of induced EMF is given by Fleming's right-hand rule.
Statement is true
Yes
Statement
AC generators and motors use the same fundamental physics.
Statement is true
No
Statement
Earth's magnetic field is unrelated to a freely suspended bar magnet's orientation.

Instructions

Decide each electromagnetism statement.

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Questions

Statement is true
Yes
Statement
Magnetic field lines never intersect each other.
Statement is true
No
Statement
The earth wire is connected to the live wire.
Statement is true
Yes
Statement
A solenoid carrying current behaves like a bar magnet.
Statement is true
No
Statement
An electromagnet retains its magnetism after current is switched off.
Statement is true
Yes
Statement
Frequency of AC supply in India is 50 Hz.

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