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- Question
Find the current (in A) when a charge of 1200C flows in 6 seconds.
Options- A. 7200
- B. 200
- C. 100
- D. 3600
- Correct Answer
- 200
- 1. Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as
Options- A. Cornering
- B. BLowout
- C. Power
- D. Braking Discuss
- 2. In order to make an electromagnet you need a
Options- A. Dry cell batteries
- B. Thin coated copper wire
- C. Iron nail
- D. All of the above Discuss
- 3. The solubility of a gas in a liquid is
Options- A. increased with increasing pressure
- B. decreased with increasing temperature
- C. Both A & B
- D. None of the above Discuss
- 4. A permanent magnet can affect
Options- A. Magnets
- B. Electromagnets
- C. Both A & B
- D. None of the above Discuss
- 5. The flow of thermal energy is called
Options- A. Heat
- B. Current
- C. Voltage
- D. Potential Discuss
- 6. An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :
Options- A. 275 J
- B. 110 J
- C. 2750 J
- D. 110 J Discuss
- 7. A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be____.
Options- A. 50J
- B. 30J
- C. 20J
- D. 40J Discuss
- 8. To convert temperature from Celcius to Kelvin scale, you must ___ the given temperature.
Options- A. subtract 273
- B. multiply 273
- C. add 273
- D. divide by 273 Discuss
- 9. The resistance of a conductor is inversely proportional to its:
Options- A. length
- B. resistivity
- C. temperature
- D. area of cross section Discuss
- 10. Which of the following never occurs singly in nature?
Options- A. Inertia
- B. Momentum
- C. Force
- D. Velocity Discuss
Physics problems
Search Results
Correct Answer: Braking
Correct Answer: All of the above
Explanation:
To create a simple electromagnet, you'll need a source of electricity, a conductor, and metal. Wrap insulated copper wire tightly around an iron screw or nail before connecting the wire to a battery, and watch as your new electromagnet picks up small metal objects.
Correct Answer: Both A & B
Explanation:
The solubility of a gas in a liquid is directly and inversely proportional to pressure and temperature respectively.
Correct Answer: Both A & B
Correct Answer: Heat
Correct Answer: 275 J
Correct Answer: 50J
Correct Answer: add 273
Correct Answer: area of cross section
Correct Answer: Force
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