Electricity and magnetism

What is the classification of electricity ?

• 2

• 3

• 4

• 5

What is the unit of charge ?

• Ampere

• Webber

• Coulomb's

• meter

What is the correct relation below?

• 1 Coulomb = 1 Ampere/second

• 1 Coulomb = 1 Ampere × second

• 1Ampere = 1 Coulomb × second

• 1second = 1 Ampere × Coulomb

What is the correct information for charge ?

• 2.2e

• 4.9e

• 5e

• 6.7e

What is the another name of Coulomb's force?

• Gravitational force

• Inverse square force

• strong nuclear force

• week nuclear force

find out the correct equation for coulomb's law?

• F α m₁m₂/ d²

• F α q₁q₂/ d²

• F α m₁m₂/ d

• F α q₁q₂/ d

what is the correction for permittivity of free space?

• 8.854 × 10^-12 C²N. m²

• 8.854 × 10^-12 C²/N². m²

• 8.854 × 10^-12 C²/N. m²

• 8.854 × 10^-12 C²/N. m

what is the value of coulomb's constant.

• K = 9 × 10^⁹ N.m/C²

• K = 9 × 10^⁹ N.m²/C²

• K = 9 × 10^⁹ N.m²/C

• K = 9 × 10^^-9 N.m²/C²

what is the value of charge?

• 1.6 × 10^-19 C

• 1.6 × 10⁺¹⁹ C

• 1.6 × 10^-39 C

• 1.6 × 10^-29 C

where is the apply coulomb's law ?

• Arbitrary shape

• Uniform shape

• Both

• None