1. The ______ law states that potential difference is directly proportional to current
(A) Coulomb’s
(B) Ohm's
(C) Kirchhoff's voltage
(D) Lenz's
2. According to Ohm's law
(A) Q = CV
(B) R = ρL/A
(C) V = IR
(D) B = Ø/A
3. According to Ohm's law, with the increase in potential difference current
(A) decreases
(B) increases
(C) remains constant
(D) fluctuates
4. When current flows through a circuit having 20Ω resistance and 100V voltage, current is
(A) 4A
(B) 7A
(C) 5A
(D) 12A
5. The resistance is directly proportional to the ______ of the conductor
(A) width
(B) breadth
(C) thickness
(D) length
6. Resistance is ______ proportional to the cross sectional area of conductor
(A) directly
(B) not
(C) inversely
(D) any of above
7. The resistance of a conductor depends on the ______
(A) friction
(B) temperature
(C) colour
(D) collision
8. The Greek letter "Rho" denotes ______
(A) resistivity
(B) conductivity
(C) malleability
(D) permeability
9. Conductors ______ current to flow easily
(A) allows
(B) stop
(C) block
(D) conduct
10. Conductors have ______ number of electrons in their structure
(A) large
(B) random
(C) small
(D) swift
11. The ability to conduct is ______
(A) conductivity
(B) electricity
(C) resistivity
(D) all of above
12. The opposition offered to free electrons is ______
(A) resistance
(B) current
(C) torque
(D) conductance
13. Resistance adds up in ______
(A) series
(B) parallel
(C) series parallel
(D) any of above
14. P.D stands for ______
(A) power display
(B) potential difference
(C) power driven
(D) proportional difference
15. In series circuit of resistances, the voltage ______ in each resistor
(A) increases
(B) decreases
(C) drops
(D) constant
16. Current remains ______ in series circuits
(A) increasing
(B) constant
(C) decreasing
(D) oscillating
17. Voltage remains ______ in parallel circuits
(A) increasing
(B) decreasing
(C) constant
(D) divides
18. Current ______ in parallel circuit of resistances
(A) increases
(B) divides
(C) decreases
(D) constant
19. The rate of doing work is called ______
(A) energy
(B) joule
(C) power
(D) voltage
20. The relationship for power is P = ______
(A) C×V
(B) VI
(C) IR
(D) Q/t