NEET Test Series from KOTA - 10 Papers In MS WORD
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Current Electricity
268221
In abovequestion, if the bulbs are connected in parallel, total power consumed is
1 \(\frac{P_{1}+P_{2}}{2}\)
2 \(\sqrt{P_{1} \cdot P_{2}}\)
3 \(\frac{P_{1} \cdot P_{2}}{P_{1}+P_{2}}\)
4 \(\left(P_{1}+P_{2}\right)\)
Explanation:
Current Electricity
268222
Which of the following causes production of heat, when current is set up in a wire
1 Fall of electronfromhigher orbitsto lower orbits
2 Inter atomic collisions
3 Inter electron collisions
4 Collisions of conductione ectronswithatoms
Explanation:
Current Electricity
268223
A constant voltage is applied between the two ends of a metallic wire. If both the length and the radius of the wire are doubled, the rate of heat developed in the wire
1 will bedoubled
2 will behal ved
3 will remain thesame
4 will bequadrupled
Explanation:
Current Electricity
268224
A resistor \(R_{1}\) dissipates the power \(P\) when connected to a certain generator. If the resistor \(R_{2}\) is put in series with \(R_{1}\), the power dissipated by \(R_{1}\)
1 Decreases
2 Increases
3 Remains thesame
4 Any of the above depending upon therelative values of \(R_{1}\) and \(R_{2}\)
268221
In abovequestion, if the bulbs are connected in parallel, total power consumed is
1 \(\frac{P_{1}+P_{2}}{2}\)
2 \(\sqrt{P_{1} \cdot P_{2}}\)
3 \(\frac{P_{1} \cdot P_{2}}{P_{1}+P_{2}}\)
4 \(\left(P_{1}+P_{2}\right)\)
Explanation:
Current Electricity
268222
Which of the following causes production of heat, when current is set up in a wire
1 Fall of electronfromhigher orbitsto lower orbits
2 Inter atomic collisions
3 Inter electron collisions
4 Collisions of conductione ectronswithatoms
Explanation:
Current Electricity
268223
A constant voltage is applied between the two ends of a metallic wire. If both the length and the radius of the wire are doubled, the rate of heat developed in the wire
1 will bedoubled
2 will behal ved
3 will remain thesame
4 will bequadrupled
Explanation:
Current Electricity
268224
A resistor \(R_{1}\) dissipates the power \(P\) when connected to a certain generator. If the resistor \(R_{2}\) is put in series with \(R_{1}\), the power dissipated by \(R_{1}\)
1 Decreases
2 Increases
3 Remains thesame
4 Any of the above depending upon therelative values of \(R_{1}\) and \(R_{2}\)
268221
In abovequestion, if the bulbs are connected in parallel, total power consumed is
1 \(\frac{P_{1}+P_{2}}{2}\)
2 \(\sqrt{P_{1} \cdot P_{2}}\)
3 \(\frac{P_{1} \cdot P_{2}}{P_{1}+P_{2}}\)
4 \(\left(P_{1}+P_{2}\right)\)
Explanation:
Current Electricity
268222
Which of the following causes production of heat, when current is set up in a wire
1 Fall of electronfromhigher orbitsto lower orbits
2 Inter atomic collisions
3 Inter electron collisions
4 Collisions of conductione ectronswithatoms
Explanation:
Current Electricity
268223
A constant voltage is applied between the two ends of a metallic wire. If both the length and the radius of the wire are doubled, the rate of heat developed in the wire
1 will bedoubled
2 will behal ved
3 will remain thesame
4 will bequadrupled
Explanation:
Current Electricity
268224
A resistor \(R_{1}\) dissipates the power \(P\) when connected to a certain generator. If the resistor \(R_{2}\) is put in series with \(R_{1}\), the power dissipated by \(R_{1}\)
1 Decreases
2 Increases
3 Remains thesame
4 Any of the above depending upon therelative values of \(R_{1}\) and \(R_{2}\)
268221
In abovequestion, if the bulbs are connected in parallel, total power consumed is
1 \(\frac{P_{1}+P_{2}}{2}\)
2 \(\sqrt{P_{1} \cdot P_{2}}\)
3 \(\frac{P_{1} \cdot P_{2}}{P_{1}+P_{2}}\)
4 \(\left(P_{1}+P_{2}\right)\)
Explanation:
Current Electricity
268222
Which of the following causes production of heat, when current is set up in a wire
1 Fall of electronfromhigher orbitsto lower orbits
2 Inter atomic collisions
3 Inter electron collisions
4 Collisions of conductione ectronswithatoms
Explanation:
Current Electricity
268223
A constant voltage is applied between the two ends of a metallic wire. If both the length and the radius of the wire are doubled, the rate of heat developed in the wire
1 will bedoubled
2 will behal ved
3 will remain thesame
4 will bequadrupled
Explanation:
Current Electricity
268224
A resistor \(R_{1}\) dissipates the power \(P\) when connected to a certain generator. If the resistor \(R_{2}\) is put in series with \(R_{1}\), the power dissipated by \(R_{1}\)
1 Decreases
2 Increases
3 Remains thesame
4 Any of the above depending upon therelative values of \(R_{1}\) and \(R_{2}\)