1. The winding resistance of a coil can be increased by A. Increasing the number of turns B. Using a thinner wire C. Changing the core material D. Increasing the number of turns or using thinner wire Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
2. An 18 V power supply is connected across a coil with a winding resistance of 180 Ω. Current flow in the coil is A. 1 mA B. 10 mA C. 100 mA D. 1 A Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
3. An inductor, a 1 kΩ resistor, and a switch are connected in series across a 6 V battery. At the instant the switch is closed, the inductor voltage is A. 0 V B. 6 V C. 12 V D. 4 V Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
4. Five inductors are connected in series. The lowest value is 8 µH. If the value of each inductor is twice that of the preceding one, and if the inductors are connected in order of ascending values, the total inductance is A. 8 H B. 32 µH C. 64 µH D. 248 µH Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
5. A 2 mH, a 3.3 mH, and a 0.2 mH inductor are connected in series. The total inductance is A. 55 mH B. Less than 0.2 mH C. Less than 5.5 mH D. 5.5 mH Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
6. A 5 mH, a 4.3 mH, and a 0.6 mH inductor are connected in parallel. The total inductance is A. 9.9 mH B. Greater than 5 mH C. 9.9 mH or greater than 5 mH D. Less than 0.6 mH Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
7. Three 15 mH inductors are in series. The total inductance is A. 15 mH B. 30 mH C. 45 mH D. 5 mH Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
8. An inductance of 0.08 µH is larger than A. 0.0000008 H B. 0.000000008 H C. 0.000008 H D. 0.00008 mH Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
9. An inductance of 0.43 mH is smaller than A. 43 µH B. 430 µH C. 0.05 H D. 0.00043 H Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
10. The voltage across a coil when $$\frac{{{\text{di}}}}{{{\text{dt}}}}$$ = 20 mA/µs and L = 8 µH is A. 16 mV B. 160 mV C. 1.6 mV D. 2.5 mV Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
