Discussion
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- Question
Farad is unit of ___________.
Options- A. Capacitance
- B. Reactance
- C. Electric charge
- D. Electric conductance
- Correct Answer
- Capacitance
- 1. If demand curve for alphonso mangoes is D = 25000 70P and supply curve is S = 10000 + 80P, find the equilibrium quantity?
Options- A. 18,000 units
- B. 2,000 units
- C. 1,800 units
- D. 200 units Discuss
- 2. Air moves from the region where the air _____________________________.
Options- A. humidity is high to the region where the humidity is low
- B. pressure is low to the region where the pressure is high
- C. pressure is high to the region where the pressure is low
- D. humidity is low to the region where the humidity is high Discuss
- 3. Find the resistance (in mega ?) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200 ?m.
Options- A. 40
- B. 4000
- C. 80
- D. 2000 Discuss
- 4. What is the direction of torque?
Options- A. Perpendicular to the direction of applied force
- B. Same as the direction of applied force
- C. Opposite to the direction of applied force
- D. Parallel to the radius Discuss
- 5. ___________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.
Options- A. First law of thermodynamics
- B. Hooke's Law
- C. The coulomb's law
- D. Faraday's Law Discuss
- 6. What is the unit of the physical quantity "Inductance"?
Options- A. weber
- B. farad
- C. henry
- D. tesla Discuss
- 7. A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).
Options- A. 40
- B. 10
- C. 20
- D. 80 Discuss
- 8. According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ____ of an object.
Options- A. density
- B. volume
- C. force
- D. mass Discuss
- 9. The coil wire in the electric room heater or electric cooking heater is called __________.
Options- A. Circuit
- B. Element
- C. Filament
- D. Cells Discuss
- 10. A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun.
Options- A. 2
- B. 0.1
- C. 4
- D. 0.05 Discuss
Physics problems
Search Results
Correct Answer: 18,000 units
Correct Answer: pressure is high to the region where the pressure is low
Correct Answer: 40
Correct Answer: Perpendicular to the direction of applied force
Correct Answer: First law of thermodynamics
Correct Answer: henry
Correct Answer: 10
Correct Answer: mass
Correct Answer: Element
Correct Answer: 0.05
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