Physics Test 41

Result

Physics Test 41

Score
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Rank
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Weekly Quiz Competition

Question 1
4 / -1

A tennis ball bounces down a flight of stairs striking each step in turn and rebounding to the height of the step above. The coefficient of resitution is-

A
1 / 2

B
1 / √2

C
1 / 4

D
1
Question 2
4 / -1

What is the angle between the electric dipole moment and the electric field strength due to it on the equitorial line

A
0°

B
90°

C
180°

D
None of these
Question 3
4 / -1

Two coils of 10 turns each are arranged such that mutual inductance between them is 150 mH. magnetic flux linked through one coil when 2 ampere current will flow in another coil:-

A
1 × 10^–3 Wb

B
10 × 10^–3 Wb

C
20 × 10^–3 Wb

D
30 × 10^–3 Wb
Question 4
4 / -1

If a charge q is moving in a circle of radius r with speed v, then the equivalent current will be :

A
qv / 2πr

B
qr / 2πr

C
qr / 2π

D
qv / 2πr²