Electricity And Magnetism - Study Mode

[#206] What does the diagram shows?
Correct Answer

(D) Random motion of electrons in open circuit

[#207] The work done in two points with a potential difference of 20V is 60 J. Then the electric charge flowing between the two points is:
Correct Answer

(C) 3 C

[#208] A Galvanometer can be converted into a voltmeter by connecting with it a
Correct Answer

(C) high resistance on series

[#209] According to Ohm's law, . . . . . . . . is a constant.
Correct Answer

(A) V/I

[#210] Assertion (A) Electric appliances with metallic body have three connections, whereas on electric bulb has a two pin connection. Reason (R) Three pin connections reduce heating of connecting wires.
Correct Answer

(C) A is true, but R is false