Image of String Massless and Pulley Figure
Options:
(1)
(2)
(3)
(4)
Answer: (1)
Solutions:
Image of String Massless and Pulley Figure
By adding (i), (ii) and (iii)
Q-6 For a refrigerator, heat absorbed from source is 800 J and heat supplied to sink is 500 J then find coefficient of performance is
Options:
(1)
(2)
(3)
(4)
Answer: (3)
Solutions:
Coefficient of performance
Q- 7 In a transformer number of turns in primary circuit is and in secondary circuit number of turns is and load resistance is and voltage of secondary coil is then find the current in primary circuit.
(1)
(2)
(3)
(4)
Answer: (4)
Solutions:
Q-8 In damped oscillation graph between velocity and position will be:-
Options:
(1)
Image of Oscillation Graph Velocity Andposition
(2)
Image of Oscillation Graph Velocity Andposition
(3)
Image of Oscillation Graph Velocity Andposition
(4)
Image Ofoscillation Graph Velocity Andposition
Answer: (3)
Solutions:
Image Ofoscillation Graph Velocity Andposition