Electricity Quiz 5

The electric shock felt by a human body depends on …………

The value of a resistance of a bulb ………. when the temperature of a filament in a bulb increases for providing constant potential difference

The resistance of a conductor ………. when the length of a conductor increased for providing constant temperature and crosssectional area.

When the length of a wire is doubled, its resistance for same cross-sectional area

The resistance of a conductor …….. when the area of cross section of a conductor increased for same length and temperature

A thick wire has a ……… resistance than a thin wire

If the diameter of a resistance wire is halved then its resistance becomes ……………

The resistance per unit length of a unit cross sectional area of the material is called ……… of the material.

The S-I unit of resistivity is …………

Which of the following metal conductors has least resistivity value?

Which materials are used to make diodes, transistors and integrated circuits?

A wire of length lm and radius 0.1 mm has a resistance of 100 Ω. The resistivity of the material is …………

A uniform wire of resistance 100 Ω is melted and recast into wire of length double that of the original. The resistance of the new wire is …………

The effective resistance of parallel combination is ……… than that of any one of them

Three resistors of values 2 Ω, 4 Ω, 6 Ω are connected in series. The equivalent resistance of combination of resistors is ……………