268212
A heater coil is cut into two equal parts and only one part is used in the heater. Then the heat generated becomes
1 becomeonefourth
2 halved
3 doubled
4 becomefour times
Explanation:
Current Electricity
268213
Two lamps have resistance \(r\) and \(R, R\) being greater than \(\mathrm{r}\). If they are connected in parallel in an electric circuit, then
1 the lamp with resistance \(R\) will shine more brightly
2 thelamp withresistancer will shinemorebrightly
3 thetwo lamps will shineequal brightly
4 thelamp with resistanceR will not shineatall
Explanation:
Current Electricity
268214
Two bulbs are fitted in a room in the domestic electric installation. If one of them glows brighter than the other, then
1 thebrighter bulb has smaller resistance
2 the brighter bulb has larger resistance
3 both the bul bs have thesameresistance
4 nothing can be said about the resistanceunless other factorsareknown
Explanation:
Current Electricity
268215
Threeidentical bulbs \(P, Q\) and \(R\) are connected to a battery as shown in the figure. W hen the circuit is closed
1 \(Q\) and \(R\) will bebrighter than \(P\)
2 \(Q\) and \(R\) will bedimmer than \(P\)
3 All the bull bs will beequally bright
4 \(Q\) and \(R\) will notshineatall
Explanation:
Current Electricity
268216
Figure shows three similar lamps \(L, L_{2}, L_{3}\) connected across a power supply. If the lamp \(L_{3}\) fuses. The light emitted by \(L_{1}\) and \(L_{2}\) will change as
1 no change
2 brilliance of \(L_{1}\) decreases and that of \(L_{2}\) increases
3 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) increases
4 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) decreases
268212
A heater coil is cut into two equal parts and only one part is used in the heater. Then the heat generated becomes
1 becomeonefourth
2 halved
3 doubled
4 becomefour times
Explanation:
Current Electricity
268213
Two lamps have resistance \(r\) and \(R, R\) being greater than \(\mathrm{r}\). If they are connected in parallel in an electric circuit, then
1 the lamp with resistance \(R\) will shine more brightly
2 thelamp withresistancer will shinemorebrightly
3 thetwo lamps will shineequal brightly
4 thelamp with resistanceR will not shineatall
Explanation:
Current Electricity
268214
Two bulbs are fitted in a room in the domestic electric installation. If one of them glows brighter than the other, then
1 thebrighter bulb has smaller resistance
2 the brighter bulb has larger resistance
3 both the bul bs have thesameresistance
4 nothing can be said about the resistanceunless other factorsareknown
Explanation:
Current Electricity
268215
Threeidentical bulbs \(P, Q\) and \(R\) are connected to a battery as shown in the figure. W hen the circuit is closed
1 \(Q\) and \(R\) will bebrighter than \(P\)
2 \(Q\) and \(R\) will bedimmer than \(P\)
3 All the bull bs will beequally bright
4 \(Q\) and \(R\) will notshineatall
Explanation:
Current Electricity
268216
Figure shows three similar lamps \(L, L_{2}, L_{3}\) connected across a power supply. If the lamp \(L_{3}\) fuses. The light emitted by \(L_{1}\) and \(L_{2}\) will change as
1 no change
2 brilliance of \(L_{1}\) decreases and that of \(L_{2}\) increases
3 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) increases
4 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) decreases
268212
A heater coil is cut into two equal parts and only one part is used in the heater. Then the heat generated becomes
1 becomeonefourth
2 halved
3 doubled
4 becomefour times
Explanation:
Current Electricity
268213
Two lamps have resistance \(r\) and \(R, R\) being greater than \(\mathrm{r}\). If they are connected in parallel in an electric circuit, then
1 the lamp with resistance \(R\) will shine more brightly
2 thelamp withresistancer will shinemorebrightly
3 thetwo lamps will shineequal brightly
4 thelamp with resistanceR will not shineatall
Explanation:
Current Electricity
268214
Two bulbs are fitted in a room in the domestic electric installation. If one of them glows brighter than the other, then
1 thebrighter bulb has smaller resistance
2 the brighter bulb has larger resistance
3 both the bul bs have thesameresistance
4 nothing can be said about the resistanceunless other factorsareknown
Explanation:
Current Electricity
268215
Threeidentical bulbs \(P, Q\) and \(R\) are connected to a battery as shown in the figure. W hen the circuit is closed
1 \(Q\) and \(R\) will bebrighter than \(P\)
2 \(Q\) and \(R\) will bedimmer than \(P\)
3 All the bull bs will beequally bright
4 \(Q\) and \(R\) will notshineatall
Explanation:
Current Electricity
268216
Figure shows three similar lamps \(L, L_{2}, L_{3}\) connected across a power supply. If the lamp \(L_{3}\) fuses. The light emitted by \(L_{1}\) and \(L_{2}\) will change as
1 no change
2 brilliance of \(L_{1}\) decreases and that of \(L_{2}\) increases
3 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) increases
4 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) decreases
NEET Test Series from KOTA - 10 Papers In MS WORD
WhatsApp Here
Current Electricity
268212
A heater coil is cut into two equal parts and only one part is used in the heater. Then the heat generated becomes
1 becomeonefourth
2 halved
3 doubled
4 becomefour times
Explanation:
Current Electricity
268213
Two lamps have resistance \(r\) and \(R, R\) being greater than \(\mathrm{r}\). If they are connected in parallel in an electric circuit, then
1 the lamp with resistance \(R\) will shine more brightly
2 thelamp withresistancer will shinemorebrightly
3 thetwo lamps will shineequal brightly
4 thelamp with resistanceR will not shineatall
Explanation:
Current Electricity
268214
Two bulbs are fitted in a room in the domestic electric installation. If one of them glows brighter than the other, then
1 thebrighter bulb has smaller resistance
2 the brighter bulb has larger resistance
3 both the bul bs have thesameresistance
4 nothing can be said about the resistanceunless other factorsareknown
Explanation:
Current Electricity
268215
Threeidentical bulbs \(P, Q\) and \(R\) are connected to a battery as shown in the figure. W hen the circuit is closed
1 \(Q\) and \(R\) will bebrighter than \(P\)
2 \(Q\) and \(R\) will bedimmer than \(P\)
3 All the bull bs will beequally bright
4 \(Q\) and \(R\) will notshineatall
Explanation:
Current Electricity
268216
Figure shows three similar lamps \(L, L_{2}, L_{3}\) connected across a power supply. If the lamp \(L_{3}\) fuses. The light emitted by \(L_{1}\) and \(L_{2}\) will change as
1 no change
2 brilliance of \(L_{1}\) decreases and that of \(L_{2}\) increases
3 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) increases
4 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) decreases
268212
A heater coil is cut into two equal parts and only one part is used in the heater. Then the heat generated becomes
1 becomeonefourth
2 halved
3 doubled
4 becomefour times
Explanation:
Current Electricity
268213
Two lamps have resistance \(r\) and \(R, R\) being greater than \(\mathrm{r}\). If they are connected in parallel in an electric circuit, then
1 the lamp with resistance \(R\) will shine more brightly
2 thelamp withresistancer will shinemorebrightly
3 thetwo lamps will shineequal brightly
4 thelamp with resistanceR will not shineatall
Explanation:
Current Electricity
268214
Two bulbs are fitted in a room in the domestic electric installation. If one of them glows brighter than the other, then
1 thebrighter bulb has smaller resistance
2 the brighter bulb has larger resistance
3 both the bul bs have thesameresistance
4 nothing can be said about the resistanceunless other factorsareknown
Explanation:
Current Electricity
268215
Threeidentical bulbs \(P, Q\) and \(R\) are connected to a battery as shown in the figure. W hen the circuit is closed
1 \(Q\) and \(R\) will bebrighter than \(P\)
2 \(Q\) and \(R\) will bedimmer than \(P\)
3 All the bull bs will beequally bright
4 \(Q\) and \(R\) will notshineatall
Explanation:
Current Electricity
268216
Figure shows three similar lamps \(L, L_{2}, L_{3}\) connected across a power supply. If the lamp \(L_{3}\) fuses. The light emitted by \(L_{1}\) and \(L_{2}\) will change as
1 no change
2 brilliance of \(L_{1}\) decreases and that of \(L_{2}\) increases
3 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) increases
4 brilliance of both \(\mathrm{L}_{1}\) and \(\mathrm{L}_{2}\) decreases
