Electric Charges and Fields

Two charges $3\times10^{-5}C$  and $5\times10^4C$  are placed at a distance 10 cm from each other. Find the value of electrostatic force acting between them.

•  $13.5\times10^{11}N$  

•  $40\times10^{11}N$  

•  $180\times10^9N$  

•  $13.5\times10^{10}N$  

Tags

NGSS.HS-PS2-4

What is the S. I. unit of electric flux?

• $\frac{N}{C}\times m^2$

• $N\times m^2$

• $\frac{N}{m^2}\times C$

• $\frac{N^2}{m^2}\times C^2$

Electric flux is a vector quantity.

• True

• False

Gauss law is valid only for the fields which follows inverse square law.

• True

• False

Tags

NGSS.HS-PS2-4

Charge given to a spherical conductor is uniformly distributed in its entire volume.

• True

• False

The electric force between two charges changes, if we bring a third charge closer to them.

• True

• False

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Quantization of charge can be neglected at macroscopic level.

• True

• False

Electric dipole moment is a _____________ quantity.

• Tensor

• Scalar

• Vector

• Ambiguous

Two unequal charges exert _____________ magnitude of force on each other.

• Unequal

• Equal

• Zero

• Infinite

Tags

NGSS.HS-PS2-4

Net electrostatic field inside a positively charged conductor is ______________.

• Always Positive

• Always Negative

• Zero

• dependent on nature of conductor

Tags

NGSS.HS-PS2-4