Physics
Assertion Bending of wire does not affect electrical resistance.
Reason Resistance of a wire is proportional to resistivity of material.
- Both Assertion and Reason are true
- Both Assertion and Reason are false
- Assertion is false but Reason is true.
- Assertion is true but Reason is false
Related Questions
Which of the following forces cannot create a moment of force?
- Action-reaction forces
- Gravitational forces
- Electric forces
- Frictional forces
A ray of light incident at an angle of 48° on a prism of refracting angle 60°, suffers minimum deviation. The angle of minimum deviation would be
- 12°
- 24°
- 36°
- 48°
A moving ship continuously sends in ultrasonic pulses down to the sed-bed and records the time delays of the reflected pulses. The variation of time delays recorded versus the positions of the ship is plotted in the following graph. Which of the position indicates the deepest sea bed?
- A
- B
- C
- D
Mechanical energy is equal to
- the sum of total energy and potential energy
- the sum of potential energy and kinetic energy
- the energy acquired by machines
- All of the above