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Basic Electronics Questions And Answers.
| 1. | A solid copper sphere, 10 cm in diameter is deprived of 1020 electrons by a charging scheme. The charge on the sphere is? | ||
| A. | 160.2 C | ||
| B. | -160.2 C | ||
| C. | 16.02 C | ||
| D. | -16.02 C | ||
| 2. | A lightning bolt carrying 15,000 A lasts for 100 s. If the lightning strikes an airplane flying at 2 km, the charge deposited on the plane is? | ||
| A. | 13.33 C | ||
| B. | 75 C | ||
| C. | 1500 C | ||
| D. | 1.5 C | ||
| 3. | If 120 C of charge passes through an electric conductor in 60 sec, the current in the conductor is ? | ||
| A. | 0.5 A | ||
| B. | 2 A | ||
| C. | 3.33 mA | ||
| D. | 0.3 mA | ||
| 4. | The energy required to move 120 coulomb through 3 V is? | ||
| A. | 25 mJ | ||
| B. | 360 J | ||
| C. | 40 J | ||
| D. | 2.78 mJ | ||
| 5. | Consider the circuit graph shown in figure below. Each branch of circuit graph represent a circuit element. The value of voltage V1 is? | ||
| |||
| A. | 30 V | ||
| B. | 25 V | ||
| C. | 20 V | ||
| D. | 15 V | ||
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