Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 4

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A point charge $q$ of mass $m$ is placed at $A$ in external electric field $E$ . What will be the acceleration $' a'$ of charge particle?

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Important Questions on Electric Charges and Fields

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 5

A cylinder of length

L

and radius a has its axis coincident with the

x

-axis. The electric field in this region is

\vec{E} = 100 \hat{i}

unit. The magnitude of flux entering through the cylinder is

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 6

In a certain region of space, there exists a uniform electric field of value

2 \times 10^{4} V m^{- 1}

in

+ Z

direction. A rectangular coil of

5 cm \times 15 cm

is placed in the

x y

plane. The electric flux through the coil is

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 7

Five identical charges

+ q

are placed at five corners of a regular hexagon of side

' I'

. Find the magnitude of electric field at centre

(where k = \frac{1}{4 π ε_{0}})

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 10

In the following figure, if magnitude of force between $B$ and $C$ is $F$ , then magnitude of force between $A$ and $B$ is

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 11

The S.I. unit of electric field intensity is Newtons per _____.

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 12

Six equal positive point charges

q

each, are placed at the corners of a regular hexagon of side a. The electric field intensity at the centre of the hexagon is_____.

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 13

The electric field _____ due to point charge

Q

varies with distance

r

as

E \propto \frac{1}{r^{2}}

.

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 15

An electric dipole of dipole moment

2 \times 10^{- 8} Cm

is placed in a uniform external electric field of

2 \times 10^{5} N C^{- 1}

. The maximum torque on the dipole is_____

\times 10^{- 3} N m

.