Electrical Energy and Power Through a Resistor
« Previous Topic: Electric Current Next Topic: Electrical Instruments »
Join With Us for More Updates
PHXII03:CURRENT ELECTRICITY

357146 In the circuit shown in figure, the heat produced in 5 \(ohm\) resistance is 10 calories per second. The heat produced in \(4\Omega \) resistance is
supporting img

1 \(3{\rm{ }}cal/\sec \)
2 \({\rm{4 }}cal/\sec \)
3 \({\rm{1 }}cal/\sec \)
4 \({\rm{2 }}cal/\sec \)
PHXII03:CURRENT ELECTRICITY

357147 Two heater wires of equal lengths are first connected in series and then in parallel. The ratio of heats produced in the two cases is

1 \({2: 1}\)
2 \({1: 4}\)
3 \({1: 2}\)
4 \({4: 1}\)
PHXII03:CURRENT ELECTRICITY

357148 A \(50\,W\) bulb is in series with a room heater and the combination is connected across the mains. To get maximum heater output, the \(50\,W\) bulb should be replaced by

1 \(25\,W\)
2 \(10\,W\)
3 \(100\,W\)
4 \(200\,W\)
PHXII03:CURRENT ELECTRICITY

357149 A current source drives a current in a coil of resistance \({R_1}\) for a time \(t\). The same source drives current in another coil of resistance \({R_2}\) for same time. If heat generated is same, find internal resistance of source.

1 \(\frac{{{R_1}{R_2}}}{{{R_1} + {R_2}}}\)
2 \({R_1} + {R_2}\)
3 \(\sqrt {{R_1}{R_2}} \)
4 \({\rm{Zero}}\)
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII03:CURRENT ELECTRICITY

357146 In the circuit shown in figure, the heat produced in 5 \(ohm\) resistance is 10 calories per second. The heat produced in \(4\Omega \) resistance is
supporting img

1 \(3{\rm{ }}cal/\sec \)
2 \({\rm{4 }}cal/\sec \)
3 \({\rm{1 }}cal/\sec \)
4 \({\rm{2 }}cal/\sec \)
PHXII03:CURRENT ELECTRICITY

357147 Two heater wires of equal lengths are first connected in series and then in parallel. The ratio of heats produced in the two cases is

1 \({2: 1}\)
2 \({1: 4}\)
3 \({1: 2}\)
4 \({4: 1}\)
PHXII03:CURRENT ELECTRICITY

357148 A \(50\,W\) bulb is in series with a room heater and the combination is connected across the mains. To get maximum heater output, the \(50\,W\) bulb should be replaced by

1 \(25\,W\)
2 \(10\,W\)
3 \(100\,W\)
4 \(200\,W\)
PHXII03:CURRENT ELECTRICITY

357149 A current source drives a current in a coil of resistance \({R_1}\) for a time \(t\). The same source drives current in another coil of resistance \({R_2}\) for same time. If heat generated is same, find internal resistance of source.

1 \(\frac{{{R_1}{R_2}}}{{{R_1} + {R_2}}}\)
2 \({R_1} + {R_2}\)
3 \(\sqrt {{R_1}{R_2}} \)
4 \({\rm{Zero}}\)
NEET DIGITAL LIBRARY
PHXII03:CURRENT ELECTRICITY

357146 In the circuit shown in figure, the heat produced in 5 \(ohm\) resistance is 10 calories per second. The heat produced in \(4\Omega \) resistance is
supporting img

1 \(3{\rm{ }}cal/\sec \)
2 \({\rm{4 }}cal/\sec \)
3 \({\rm{1 }}cal/\sec \)
4 \({\rm{2 }}cal/\sec \)
PHXII03:CURRENT ELECTRICITY

357147 Two heater wires of equal lengths are first connected in series and then in parallel. The ratio of heats produced in the two cases is

1 \({2: 1}\)
2 \({1: 4}\)
3 \({1: 2}\)
4 \({4: 1}\)
PHXII03:CURRENT ELECTRICITY

357148 A \(50\,W\) bulb is in series with a room heater and the combination is connected across the mains. To get maximum heater output, the \(50\,W\) bulb should be replaced by

1 \(25\,W\)
2 \(10\,W\)
3 \(100\,W\)
4 \(200\,W\)
PHXII03:CURRENT ELECTRICITY

357149 A current source drives a current in a coil of resistance \({R_1}\) for a time \(t\). The same source drives current in another coil of resistance \({R_2}\) for same time. If heat generated is same, find internal resistance of source.

1 \(\frac{{{R_1}{R_2}}}{{{R_1} + {R_2}}}\)
2 \({R_1} + {R_2}\)
3 \(\sqrt {{R_1}{R_2}} \)
4 \({\rm{Zero}}\)
Join With Us for More Updates
PHXII03:CURRENT ELECTRICITY

357146 In the circuit shown in figure, the heat produced in 5 \(ohm\) resistance is 10 calories per second. The heat produced in \(4\Omega \) resistance is
supporting img

1 \(3{\rm{ }}cal/\sec \)
2 \({\rm{4 }}cal/\sec \)
3 \({\rm{1 }}cal/\sec \)
4 \({\rm{2 }}cal/\sec \)
PHXII03:CURRENT ELECTRICITY

357147 Two heater wires of equal lengths are first connected in series and then in parallel. The ratio of heats produced in the two cases is

1 \({2: 1}\)
2 \({1: 4}\)
3 \({1: 2}\)
4 \({4: 1}\)
PHXII03:CURRENT ELECTRICITY

357148 A \(50\,W\) bulb is in series with a room heater and the combination is connected across the mains. To get maximum heater output, the \(50\,W\) bulb should be replaced by

1 \(25\,W\)
2 \(10\,W\)
3 \(100\,W\)
4 \(200\,W\)
PHXII03:CURRENT ELECTRICITY

357149 A current source drives a current in a coil of resistance \({R_1}\) for a time \(t\). The same source drives current in another coil of resistance \({R_2}\) for same time. If heat generated is same, find internal resistance of source.

1 \(\frac{{{R_1}{R_2}}}{{{R_1} + {R_2}}}\)
2 \({R_1} + {R_2}\)
3 \(\sqrt {{R_1}{R_2}} \)
4 \({\rm{Zero}}\)
For More Updates join with Us