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Current Electricity - Set 1

Home
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NUST Entrance Test
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Physics
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Current Electricity

Set 1

MM

Mashaal Masha

Oct 15, 2022

On this page

$Most practical applications of electricity involve:$
$The current that flows through the coil of a motor causes:$
$SI unit of current describes the flow of charge at the ratio of:$
$In case of metallic conductors, the charge carriers are:$
$The charge carriers in an electrolyte are:$
$In gases, the charge carriers are:$
$The conventional current is the name given to current due to flow of:$
$A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:$
$The positive charge moving in one direction is equivalent in all external affects to a:$
$In a metal, the valence electrons are:$

Choose the correct options for the following questions.

Most practical applications of electricity involve:

Difficulty: Easy

A:

Changes at rest

B:

Charges in motion

C:

Electrons at rest

D:

Atoms in motion

The current that flows through the coil of a motor causes:

Difficulty: Easy

A:

Its shaft to rotate

B:

Its shaft to revolve

C:

The charge carriers in an electrolyte are:

D:

Motor to move

SI unit of current describes the flow of charge at the ratio of:

Difficulty: Easy

A:

One ampere per second

B:

One coulomb per second

C:

One electron per second

D:

$6.25\times 10^{18}$ electrons per second

In case of metallic conductors, the charge carriers are:

Difficulty: Easy

A:

Protons

B:

Electrons

C:

Antiprotons

D:

Positrons

The charge carriers in an electrolyte are:

Difficulty: Easy

A:

Positive ions

B:

Negative ions

C:

Either a or b

D:

Both a and b

In gases, the charge carriers are:

Difficulty: Easy

A:

Electrons

B:

Positive ions

C:

Negative ions

D:

Both a and c

The conventional current is the name given to current due to flow of:

Difficulty: Easy

A:

Positrons

B:

Positive charges

C:

Negative charges

D:

None

A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:

Difficulty: Easy

A:

1 C

B:

0.5 C

C:

30 C

D:

2 C

The positive charge moving in one direction is equivalent in all external affects to a:

Difficulty: Easy

A:

Negative charge moving in the same direction

B:

Positive charge moving in the opposite direction

C:

Negative charge moving in the opposite direction

D:

Positive charge moving in the same direction

In a metal, the valence electrons are:

Difficulty: Easy

A:

Attached to individual atoms

B:

Not attached to individual atoms

C:

Free to move within the metal

D:

Both a and c