Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Magnetism
When an electric current passes through a solenoid, it acts as a/an_______.
1
electric bell
2
bar magnet
3
resistor
4
More than one of the above
5
None of the above