WorksheetsPr2
Total questions: 5
Worksheet time: 70secs
Name
Class
Date
1.
When 4 volts Electromotive force is applied across a 1 farad capacitor, it will store energy of
a)
2J
b)
1 J
c)
5 J
d)
20J
2.
A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to
a magnetic field having a flux density of 0.8 T ; the force on the conductor will be
a)
100N
b)
200N
c)
5N
d)
2N
3.
A 20 mm long conductor is carrying a current of 10 A and is situated at right angles to
a magnetic field having a flux density of 0.8 T ; the force on the conductor will be
a)
5N
b)
10N
c)
20N
d)
40N
4.
A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to
a magnetic field having a flux density of 0.8 T ; the force on the conductor will be(Select at least two answer)
a)
2N
b)
5N
c)
3N
d)
2N
5.
The value of dielectric constant of air is
(a)
100 %
