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The passage of current is accompanied by a magnetic field in the surrounding space:
NETNUST Entry TestPhysicsCurrent Electricity
Heating effect of current is utilized in:
NETNUST Entry TestPhysicsCurrent Electricity
Heat (H) produced in the wire of resistance R in time t when a curved I is passed through it, is given by:
NETNUST Entry TestPhysicsCurrent Electricity
As the current flows through the wire:
NETNUST Entry TestPhysicsCurrent Electricity
The obvious effect/s of current is/are:
NETNUST Entry TestPhysicsCurrent Electricity
When two spherical conducting balls at different potentials are joined by a metallic wire, the current starts:
NETNUST Entry TestPhysicsCurrent Electricity
The device which can covert heat energy into electrical energy is called:
NETNUST Entry TestPhysicsCurrent Electricity
Conversion of chemical energy to electrical energy can be achieved by:
NETNUST Entry TestPhysicsCurrent Electricity
The example/s of non-electrical energy is/are:
NETNUST Entry TestPhysicsCurrent Electricity
When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:
NETNUST Entry TestPhysicsCurrent Electricity
In order to have a constant current through a wire, the potential difference across its ends should:
NETNUST Entry TestPhysicsCurrent Electricity
The amount of charge passing through a wire in certain interval of time is 1.6 pico C. The number of electrons are then:
NETNUST Entry TestPhysicsCurrent Electricity
$1.0\times 10^{7}$ electrons pass through a conductor in certain interval of time. The amount of charge will be:
NETNUST Entry TestPhysicsCurrent Electricity
An electric field is generated along the wire when:
NETNUST Entry TestPhysicsCurrent Electricity
The effects of bends in a wire on its electrical resistance are:
NETNUST Entry TestPhysicsCurrent Electricity
When a constant potential difference is applied across the conductor, the drift velocity of electrons:
NETNUST Entry TestPhysicsCurrent Electricity
The term drift velocity is used when the ends of a wire are:
NETNUST Entry TestPhysicsCurrent Electricity
The magnitude of drift velocity is of the order of:
NETNUST Entry TestPhysicsCurrent Electricity
If the ends of a wire are connected to a battery, an electric field E will be set up at:
NETNUST Entry TestPhysicsCurrent Electricity
The rate at which the free electrons pass through any section of a metallic wire from right to left is:
NETNUST Entry TestPhysicsCurrent Electricity
The free electrons in metals:
NETNUST Entry TestPhysicsCurrent Electricity
In a metal, the valence electrons are:
NETNUST Entry TestPhysicsCurrent Electricity
The positive charge moving in one direction is equivalent in all external affects to a:
NETNUST Entry TestPhysicsCurrent Electricity
A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:
NETNUST Entry TestPhysicsCurrent Electricity
The conventional current is the name given to current due to flow of:
NETNUST Entry TestPhysicsCurrent Electricity