If a current of 0.2 ampere flows through a conductor of resistance 40 ohm, what is the potential difference between the two ends of the conductor? 0.5 volt 2 volt 6 volt 8 volt

What is the importance of insulators in household wiring?

Write Faraday's laws of electromagnetic induction. Mention one advantage of using a LED lamp over an incandescent lamp. [2 + 1]

Write one characteristic of each of electrical heater wire and fuse wire. [1 + 1]

If 12 C of charge flows through a conductor for 2 minutes, the electric current is (a) 6 amperes (b) 0.1 amperes (c) 24 amperes (d) 10 amperes

What is DC?

Two metallic wires A and B of the same length are made of the same material. The radius of wire A is double the radius of wire B. What is the ratio of resistances of the two wires? [3] OR There are three 220V-60W electric lamps and two 220V-100W electric fans in the house. The electric lamps are lit for 5 hours a day and the fans are run for 10 hours a day. If the cost per B.O.T unit is Rupees 5, what will be the cost of electricity for 30 days? [3]

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

What would be the equivalent resistance of a circuit containing resistances of 6 Ω and 3 Ω connected in parallel with another resistance of 1 Ω connected in series?

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]