Content Curator | Updated On - May 28, 2024
BCECE 2017 Biology Question paper (Set D) is available for download here. BCECE exam was successfully organized by Bihar Combined Entrance Competitive Examination Board on June 18, 2017. The question paper comprised a total of 50 questions.
BCECE 2017 Biology Question Paper with Answer Key PDF (Set D)
| BCECE 2017 Biology Question Paper PDF | BCECE 2017 Biology Answer Key PDF |
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BCECE Questions
1. What is the r.m.s value of an alternating current which when passed through a resistor produces heat, which is four times that produced by a current of 2A in the same resistor?
What is the r.m.s value of an alternating current which when passed through a resistor produces heat, which is four times that produced by a current of 2A in the same resistor?
- 2A
- A
- 4A
- 8A
2. An r.m.s voltage of 220 V is applied across a series circuit having a resistance of 100 ohm and an impedance of 22 ohm. the power consumed is:
An r.m.s voltage of 220 V is applied across a series circuit having a resistance of 100 ohm and an impedance of 22 ohm. the power consumed is:
- 100 W
- 1000 W
- 10 W
- 10000 W
3. If the length of a filament of a heater is reduced by 10% , the power of the heater will:
If the length of a filament of a heater is reduced by 10% , the power of the heater will:
Increase by about 9%
Decrease by about 10%
Increase by 11%
Decrease by 19%
4. A 100-W bulb and 4 25-W bulbs are made for the same voltage. They have filaments of the same length and material. The ratio of the diameter of the 100-W bulb to that of the 25-W bulb is:
A 100-W bulb and 4 25-W bulbs are made for the same voltage. They have filaments of the same length and material. The ratio of the diameter of the 100-W bulb to that of the 25-W bulb is:
4:1
√2:1
2:1
1:√2
6. The velocity of light in a medium is √3\(\times\)108m/s. The polarizing angle of incidence is:
The velocity of light in a medium is √3\(\times\)108m/s. The polarizing angle of incidence is:
30°
60°
45°
tan-1 (3)
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