Free Printable PHYSIC QUIZ

Worksheets

PHYSIC QUIZ

Total questions: 10

Worksheet time: 25mins

Name

Class

Date

When two charges are near one another they exert an electric force on one another

true

false

A field force is a force that is exerted on an object by another without physical contact

false

true

Coulomb’s law states that the electric force

=\frac{k_cr^2}{q_1q_2}

True

False

When a charge is in equilibrium, the net Electric force acting on the charge is one.

True

False

True and False

Two point charges, initially 2 m apart, are moved to a distance of 8 m apart. By what factor does the resulting electric force between them change? Hint :( Find Fafter/Fbefore)

\frac{1}{4}

$\frac{1}{2}$

$\frac{1}{16}$

$\frac{2}{1}$

Electric force and Gravitational force are different in that ____________________

are field forces

they are force of repulsion

One depends on charge and the other depends on mass

One depends on velocity and the other depends on speed of an object

Electric Force is a ___________________ quantity

Vector

Scalar

Scalene

Vector and Scalene

Which of the options below cannot be considered as a unit of Electric Force

Kgm/s²

Kgm/s

Two point charges having charge values of 5.0 $\mu$ C and -4.0 $\mu$ C respectively, are separated by 3.5 cm. What is the value of the electric force between them? ( $K_{c_{ }}=9\times10^{9\ \ }Nm^2\$ / $C^2$

$2.4\ X\ 10^2$ N

$2.4\ X\ 10^{-2}$ N

$1.5\ X\ 10^4$ N

$1.5\ X\ 10^2$ N

10.

Three point charges, q₁ = + 12.0 μC, q₂ = -20.0 μC, and q₃ = +30.0 μC , lie along the x-axis at x = 0, x = 4 cm, and x = 10 cm, respectively. Calculate the magnitude and direction of the total electrostatic force exerted on q₁.

1.00 X 10² N to the right

7.00 X 10² N to the left

3.05 X 10³ N to the left

1.00 X 10³ N to the right

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PHYSIC QUIZ

Total questions: 10

Worksheet time: 25mins

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