**Electricity Worksheet-1**

- A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R', then the ratio R/R' is :

A. 1/25 B. 1/5 C. 5 D. 25

- Which of the following terms does not represent electrical power in a circuit:

A. I^{2}R B. IR^{2} C. VI D. V^{2}/R

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**Electricity Worksheet-2**

- The resistance of a straight conductor is independent of:

A. temperature B. material

C. cross-sectional area D. shape of cross-section.

- The resistivity of a wire :

A. varies with its length

B. varies with its cross-section

C. varies with its mass

D. is independent of length, cross-section and mass of the wire.

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