A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor

A conductor with a positive charge

A method for charging a conductor without bringing a charged object in contact with it is called

The maximum electric field that a dielectric medium of a capacitor can withstand without breakdown is called its

If voltage across a bulb rated 220V-100Watt drops by 2.5% of its rated value , the percentage of the road value by which the power would decrease is

A fuse wire with a circular cross- sectional radius of 0.02mm blows with a current of 5A, for what current, another fuse wire made from the same material with across- sectional radius of 0.04mm will blow ?

In current electricity, Ohm's law is obeyed by all

If voltage across a bulb rated 220V , 160W drops by 3% of its rated value , the percentage of the rated value by which the power would decrease is

With the increase of temperature, the resistance of a semiconductor

Ohm's law is true

The accurate measurement of emf can be obtained using

In the case of insulators as the temperature decreases, resistivity

The gyro- magnetic gyro of an electron in an H- atom, according to Bohr model is

Nichrome or Managanin is widely used in wire bound standard resistors because of their

At absolute zero temperature a crystal of pure germanium behaves as

The net charge on the capacitor is

An electric heating element consumes 500W when connected to a 100V line. If the line voltage becomes 150V, the power consumed will be

The length of the metallic wire of 50 ohm resitance is stretched two times it's initial length. It's new resistance is

An energy source will supply a constant current into the load if it's internal resistance is