By which rule is the direction of rotation of Barlow's wheel determined?

If 5 ampere current is conducted for 30 seconds through any conductor then the total conducted charge would be (a) 6 coulomb (b) 150 coulomb (c) 300 coulomb (d) 30 coulomb

An electric current is flowing through a wire. If in this situation the wire is stretched to increase its length then the flow of current through the wire (a) will increase (b) will decrease (c) will at first increase and then decrease (d) will not depend upon the increase in the length of the wire

Write down the difference between dynamo and electric motor. What is earthing?

Establish the relationship between internal resistance and EMF of an electric cell.

What is DC?

Match the Right column with the Left column : [1 × 4 = 4] Left Column Right Column 2.11.1 Acetic acid (a) non-conductor of electricity 2.11.2 Glass (b) Weak electrolyte 2.11.3 Most electro-negative element (c) Krypton 2.11.4 One Noble Element (d) Fluorine

'Kilowatt-hour' is the unit of which physical quantity?

What is the unit of electrical conductance? [1] OR What are the constituents of fuse wire? [1]

What is the SI unit of electric charge?

If the resistance (R) of the conductor and time of flow of current in the conductor (t) remain unchanged, the relation between the heat produced (H) the conductor and flow of current (l) is (a) H ∝ I (b) H ∝ (c) H ∝ I2 (d) H ∝

The charge of an electron is (a) -3.2 × 10-19C (b) -1.6 × 10-19C (c) 6 × 10-19 C (d) 3.2 × 10-19 C