CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 10 - Electric Current in Conductors>OBJECTIVE>Q 11

EASY

JEE Main

IMPORTANT

Earn 100

Consider the following two statements:

(A) Kirchhoff s junction law follows from conservation of charge.
(B) Kirchhoff's loop law follows from the conservative nature of the electric field.

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Important Questions on Electric Current in Conductors

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 10 - Electric Current in Conductors>OBJECTIVE>Q 12

Two non-ideal batteries are connected in series. Consider the following statements:
(A) The equivalent emf is larger than either of the two EMFs.
(B) The equivalent internal resistance is smaller than either of the two internal resistances.

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 10 - Electric Current in Conductors>OBJECTIVE>Q 13

Two non ideal batteries are connected in parallel. Consider the following statements:
(A) The equivalent emf is smaller than either of the two emfs.
(B) The equivalent internal resistance is smaller than either of the two internal resistances.

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 10 - Electric Current in Conductors>OBJECTIVE>Q 14

The net resistance of an ammeter should be small to ensure that

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JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 10 - Electric Current in Conductors>OBJECTIVE>Q 15

The net resistance of a voltmeter should be large to ensure that

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 10 - Electric Current in Conductors>OBJECTIVE>Q 16

Consider a capacitor-charging circuit. Let

Q_{1}

be the charge given to the capacitor in a time interval of

10 ms

and

Q_{2}

be the charge given in the next time interval of

10 ms .

Let

10 μ C

charge be deposited in a time interval

t_{1}

and the next

10 μ C

charge is deposited in the next time interval

t_{2}

. Then

EASY

JEE Main

IMPORTANT

CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 10 - Electric Current in Conductors>OBJECTIVE>Q 1

Electrons are emitted by a hot filament and are accelerated by an electric field as shown in the following figure. The two stops at the left ensure that the electron beam has a uniform cross-section.

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