EASY
12th ICSE
IMPORTANT
Earn 100

Write Coulomb’s formula for the force of attraction or repulsion between two point-charges.

Important Questions on Electric Charges and Fields

MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 1 - Electric Charges and Fields>QUESTIONS>Q 5
Write Coulomb’s law in vector form.
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 1 - Electric Charges and Fields>QUESTIONS>Q 6
Does Coulomb's law of electric force obey Newton's third law of motion?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 1 - Electric Charges and Fields>QUESTIONS>Q 7
Is Coulomb's law true for atomic and nuclear distances?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 1 - Electric Charges and Fields>QUESTIONS>Q 8
Define one coulomb. How many electrons will have a total charge of 1 coulomb?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 1 - Electric Charges and Fields>QUESTIONS>Q 9
What is meant by 'elementary charge'? What is its value?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 1 - Electric Charges and Fields>QUESTIONS>Q 10
Which has more electrons, Fe or Fe+++? Cl or Cl-?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 1 - Electric Charges and Fields>QUESTIONS>Q 11
State the unit of electric permittivity in terms of SI units.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 1 - Electric Charges and Fields>QUESTIONS>Q 12
Write the relation between relative permittivity εr and the absolute permittivity ε of a dielectric medium.