MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A 60 W light bulb converts electrical energy into light and heat energy in each second of |
| A. | 30 J |
| B. | 60 J |
| C. | 120 J |
| D. | 20 J |
| Answer» C. 120 J | |
| 2. |
A 50 W television and 3 kW oven are connected to a 300 V supply. The resistance of each appliance is respectively |
| A. | 200Ω, 20Ω |
| B. | 1875Ω, 6Ω |
| C. | 308Ω, 589Ω |
| D. | 350Ω, 208Ω |
| Answer» C. 308Ω, 589Ω | |
| 3. |
A 50 W television and 3 kW oven are connected to a 300 V supply. The current flows in each of the appliance are respectively |
| A. | 0.16 A, 50 A |
| B. | 0.4 A, 20 A |
| C. | 14 A, 29 A |
| D. | 2.3 A, 25 A |
| Answer» B. 0.4 A, 20 A | |
| 4. |
2 resistances of 4kΩ and 6kΩ are joined in series, if a battery of 10 V is connected across the ends, then the potential difference across each resistance is |
| A. | 4 V, 6 V |
| B. | 2 V, 3 V |
| C. | 8 V, 12 V |
| D. | 6 V, 10 V |
| Answer» B. 2 V, 3 V | |
| 5. |
2 resistances of 4kΩ and 6kΩ are joined in series, if a battery of 10 V is connected across the ends, then equivalent resistance of the series combination should be |
| A. | 15kΩ |
| B. | 10kΩ |
| C. | 2kΩ |
| D. | 24kΩ |
| Answer» C. 2kΩ | |
| 6. |
2 resistances of 4kΩ and 6kΩ are joined in series, if a battery of 10 V is connected across the ends then, the current passing through each of the resistance is |
| A. | 1 mA |
| B. | 10 mA |
| C. | 5 mA |
| D. | 2 mA |
| Answer» B. 10 mA | |