This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Physics 10 Chapter 14 - Current and Electricity - 25
1.
Which of the following relation is true?
a) Q = I / t
b) Q = I x t
c) Q = t / I
d) Q = I - t
2.
What will be the amount of energy delivered by Q charge in t seconds?
a) W = V x t
b) W = I x t
c) W = V x I x t+
d) W = V x I
3.
Which of the following relation is true according to ohm's law?
a) V = I / t
b) V = I - t
c) V = I x t
d) V = t / I
4.
What will be the amount of energy delivered by Q charge in t seconds?
a) W = I
2
x R x t+
b) W = (I
3
x R) / t
c) W = I
2
x R x t
d) W = (I
2
x R) / t
5.
What will be the amount of energy delivered by Q charge in t seconds?
a) W = (V
3
x t) / R
b) W = (V
2
x t) / R+
c) W = (V
3
/ t) / R
d) W = (V
2
/ t) x R
6.
Which of the following law states that "The amount of heat generated in a resistance due to flow of charges is equal to the product of square of current, resistance and the time duration"?
a) Ohm's law
b) Joule's law
c) Pascal's law
d) Coulomb's law
7.
According to joule's law, the amount of heat generated in a resistance due to flow of charges is equal to the........................?
a) Sum of current, resistance and the time duration
b) Sum of square of current, resistance and the time duration
c) Product of square of current, resistance and the time duration
d) Product of current, resistance and the time duration
8.
Into which energy, the bulb converts heat energy generated in a resistance?
a) (b) Light energy
b) (a) Both b and c
c) (d) Mechanical energy
d) (c) Heat energy
9.
Into which energy, the heater converts heat energy generated in a resistance?
a) Heat energy
b) Light energy
c) Nuclear energy
d) Mechanical energy
10.
By applying a potential difference of 10 V across a conductor a current of 1.5A passes through it. How much energy would be obtained from the current in 2 minutes?
a) 1800 J
b) 180J
c) 120 J
d) 1200 J
This is more feedback!
This is the feedback!
