Electricity And Magnetism - Study Mode
[#351] In 1785, who used the calibrated torsion balance to measure the force between electric charges?
Correct Answer
(D) Charles-Augustinde Coulomb
[#352] The direction of magnetic field at any location on the earth's surface is commonly specified in terms of
Correct Answer
(D) horizontal component of the field
[#353] Which of the following equipment is used to transform chemical energy into electrical energy?
Correct Answer
(C) Battery
[#354] Indicate the false statement about the resistance of a wire.
Correct Answer
(C) It is directly proportional to the area of cross-section of wire
[#355] When electric current passes through a wire, everytime a deflection occurs in the measuring needle. Whom among the following firstly observed this carefully.
Correct Answer
(B) Hans Christian Oersted