Questions And CORRECT Answers
1. What is the unit of electric charge?
a) Volt
b) Ampere
c) Coulomb
d) Ohm
Correct Answer: c) Coulomb
2. What is the formula for calculating the electric force between two charges?
a) F = k * (q1 * q2) / r^2
b) F = m * a
c) F = V / R
d) F = E * q
Correct Answer: a) F = k * (q1 * q2) / r^2
3. Which law explains the relationship between current and voltage in a
conductor?
a) Ohm's Law
b) Faraday’s Law
c) Gauss’s Law
, d) Ampere’s Law
Correct Answer: a) Ohm’s Law
4. What is the SI unit of magnetic field strength?
a) Weber
b) Tesla
c) Gauss
d) Ampere
Correct Answer: b) Tesla
5. A wire carries a current in a magnetic field. The magnetic force on the wire is
maximum when the angle between the current and the magnetic field is:
a) 0°
b) 30°
c) 90°
d) 180°
Correct Answer: c) 90°
6. What is the relationship between the electric field and electric potential?
a) The electric field is the gradient of the electric potential
b) The electric field is the inverse of the electric potential
c) The electric field and electric potential are unrelated