Q. No.| 1. | \(100~\text W\) – glows brighter, \(50~\text W\) – glows dimmer |
| 2. | \(100~\text W\) – glows dimmer, \(50~\text W\) – glows brighter |
| 3. | \(100~\text W,50~\text W\) – both glow brighter |
| 4. | \(100~\text W,50~\text W\) – both glow dimmer |
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The thermal energy generated in the resistance due to Joule heating is:
1. \(240\) J
2. \(480\) J
3. \(160\) J
4. \(320\) J
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| 1. | equals \(400~\Omega.\) |
| 2. | equals \(200~\Omega.\) |
| 3. | can have any value less than \(400~\Omega.\) |
| 4. | cannot be determined from the given information. |
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1. \(5~\Omega\)
2. \(4~\Omega\)
3. \(2~\Omega\)
4. \(8~\Omega\)
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| Statement I: | A \(\mathrm{Li}\text{-ion}\) battery stores electric charge as well as electrical energy. |
| Statement II: | A charged capacitor stores electrical energy. |
| 1. | Statement I is incorrect and Statement II is correct. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is correct and Statement II is incorrect. |
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| 1. | \(\dfrac31\) | 2. | \(\dfrac21\) |
| 3. | \(\dfrac11\) | 4. | \(\dfrac53\) |
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| 1. | \(20~\Omega\) | 2. | \(4.8~\Omega\) |
| 3. | \(10~\Omega\) | 4. | \(5~\Omega\) |
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| 1. | \(\dfrac{I}{A}\) | 2. | \(\dfrac{I}{A}~\cos30^\circ\) |
| 3. | \(\dfrac{2I}{A}\) | 4. | \(\dfrac{I}{A}~\sin30^\circ\) |
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If the tapping point \(C\) is moved so that the length \(BC\) is reduced to half its initial value, then the voltage across the \(15~\Omega\) resistor,
| 1. | increases by \(1\) V |
| 2. | decreases by \(1\) V |
| 3. | increases by \(3\) V |
| 4. | decreases by \(3\) V |
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1. \(|E-E_1|<|E-E_2|\)
2. \(|E+E_1|<|E+E_2|\)
3. \(|E-E_1|>|E-E_2|\)
4. \(|E+E_1|>|E+E_2|\)
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