- 1(current)
Q. No.A particle moves with a velocity \((5\hat i-3\hat j+6\hat k)\) ms-1 horizontally under the action of constant force \((10\hat i+10\hat j+20\hat k)\) N. The instantaneous power supplied to the particle is:
1. \(200\) W
2. zero
3. \(100\) W
4. \(140\) W
1. \(200\) W
2. zero
3. \(100\) W
4. \(140\) W
Subtopic: Â Power |
 76%
From NCERT
NEET - 2023
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The energy that will be ideally radiated by a \(100\) kW transmitter in \(1\) hour is:
| 1. | \(1\times 10^{5}\) J | 2. | \(36\times 10^{7}\) J |
| 3. | \(36\times 10^{4}\) J | 4. | \(36\times 10^{5}\) J |
Subtopic: Â Power |
 74%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
An electric lift with a maximum load of \(2000\) kg (lift+passengers) is moving up with a constant speed of \(1.5\) ms-1. The frictional force opposing the motion is \(3000\) N. The minimum power delivered by the motor to the lift in watts is: (Take \(g=10\) ms-2)
| 1. | \(23500\) | 2. | \(23000\) |
| 3. | \(20000\) | 4. | \(34500\) |
Subtopic: Â Power |
 63%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Water falls from a height of 60m at the rate of 15kg/s to operate a turbine. The losses due to frictional forces are 10% of energy. How much power is generated by the turbine? (g=10 m/)
1. 8.1 kW 2. 10.2 kW
3. 12.3 kW 4. 7.0 kW
Subtopic: Â Power |
 79%
From NCERT
NEET - 2021
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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Q. No.
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