04. Power in A.C. Circuit, Wattless Current or Idle Current
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Alternating Current

155317 A resistance of $100 \Omega$, inductor of selfinductance $\left(\frac{4}{\pi^{2}}\right) H$ and a capacitor of unknown capacitance are connected in series to an a.c. source of $200 \mathrm{~V}$ and $50 \mathrm{~Hz}$. When the current and voltage are in phase, the capacitance and power dissipated is respectively

1 $2.5 \times 10^{-5} \mathrm{~F}, 400 \mathrm{~W}$
2 $3.0 \times 10^{-5} \mathrm{~F}, 50 \mathrm{~W}$
3 $2.0 \times 10^{-5} \mathrm{~F}, 100 \mathrm{~W}$
4 $1.5 \times 10^{-5} \mathrm{~F}, 200 \mathrm{~W}$
MHT-CET 2020
Alternating Current

155318 In an AC circuit, the current is given by $I=5 \sin (100 t-\pi / 2)$ and the alternating potential is $V=200 \sin (100) t$ volt. The power consumed in the circuit is

1 $20 \mathrm{~W}$
2 $40 \mathrm{~W}$
3 $1000 \mathrm{~W}$
4 zero
AP EAMCET-23.09.2020
Alternating Current

155319 A lamp delivers a luminous flux of $100 \mathrm{~W}$ to an absorber of area $1 \mathrm{~cm}^{2}$. The force due to radiation pressure is

1 $3.3 \times 10^{-4} \mathrm{~N}$
2 $16.5 \times 10^{-7} \mathrm{~N}$
3 $3.3 \times 10^{-6} \mathrm{~N}$
4 $3.3 \times 10^{-7} \mathrm{~N}$
AP EAMCET (20.04.2019) Shift-II
Alternating Current

155320 An electric bulb is rated as $200 \mathrm{~V}-100 \mathrm{~W}$. The power consumed by the bulb when operated at $100 \mathrm{~V}$ is

1 $25 \mathrm{~W}$
2 $50 \mathrm{~W}$
3 $75 \mathrm{~W}$
4 $100 \mathrm{~W}$
UPSEE 2019
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NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Alternating Current

155317 A resistance of $100 \Omega$, inductor of selfinductance $\left(\frac{4}{\pi^{2}}\right) H$ and a capacitor of unknown capacitance are connected in series to an a.c. source of $200 \mathrm{~V}$ and $50 \mathrm{~Hz}$. When the current and voltage are in phase, the capacitance and power dissipated is respectively

1 $2.5 \times 10^{-5} \mathrm{~F}, 400 \mathrm{~W}$
2 $3.0 \times 10^{-5} \mathrm{~F}, 50 \mathrm{~W}$
3 $2.0 \times 10^{-5} \mathrm{~F}, 100 \mathrm{~W}$
4 $1.5 \times 10^{-5} \mathrm{~F}, 200 \mathrm{~W}$
MHT-CET 2020
Alternating Current

155318 In an AC circuit, the current is given by $I=5 \sin (100 t-\pi / 2)$ and the alternating potential is $V=200 \sin (100) t$ volt. The power consumed in the circuit is

1 $20 \mathrm{~W}$
2 $40 \mathrm{~W}$
3 $1000 \mathrm{~W}$
4 zero
AP EAMCET-23.09.2020
Alternating Current

155319 A lamp delivers a luminous flux of $100 \mathrm{~W}$ to an absorber of area $1 \mathrm{~cm}^{2}$. The force due to radiation pressure is

1 $3.3 \times 10^{-4} \mathrm{~N}$
2 $16.5 \times 10^{-7} \mathrm{~N}$
3 $3.3 \times 10^{-6} \mathrm{~N}$
4 $3.3 \times 10^{-7} \mathrm{~N}$
AP EAMCET (20.04.2019) Shift-II
Alternating Current

155320 An electric bulb is rated as $200 \mathrm{~V}-100 \mathrm{~W}$. The power consumed by the bulb when operated at $100 \mathrm{~V}$ is

1 $25 \mathrm{~W}$
2 $50 \mathrm{~W}$
3 $75 \mathrm{~W}$
4 $100 \mathrm{~W}$
UPSEE 2019
NEET DIGITAL LIBRARY
Alternating Current

155317 A resistance of $100 \Omega$, inductor of selfinductance $\left(\frac{4}{\pi^{2}}\right) H$ and a capacitor of unknown capacitance are connected in series to an a.c. source of $200 \mathrm{~V}$ and $50 \mathrm{~Hz}$. When the current and voltage are in phase, the capacitance and power dissipated is respectively

1 $2.5 \times 10^{-5} \mathrm{~F}, 400 \mathrm{~W}$
2 $3.0 \times 10^{-5} \mathrm{~F}, 50 \mathrm{~W}$
3 $2.0 \times 10^{-5} \mathrm{~F}, 100 \mathrm{~W}$
4 $1.5 \times 10^{-5} \mathrm{~F}, 200 \mathrm{~W}$
MHT-CET 2020
Alternating Current

155318 In an AC circuit, the current is given by $I=5 \sin (100 t-\pi / 2)$ and the alternating potential is $V=200 \sin (100) t$ volt. The power consumed in the circuit is

1 $20 \mathrm{~W}$
2 $40 \mathrm{~W}$
3 $1000 \mathrm{~W}$
4 zero
AP EAMCET-23.09.2020
Alternating Current

155319 A lamp delivers a luminous flux of $100 \mathrm{~W}$ to an absorber of area $1 \mathrm{~cm}^{2}$. The force due to radiation pressure is

1 $3.3 \times 10^{-4} \mathrm{~N}$
2 $16.5 \times 10^{-7} \mathrm{~N}$
3 $3.3 \times 10^{-6} \mathrm{~N}$
4 $3.3 \times 10^{-7} \mathrm{~N}$
AP EAMCET (20.04.2019) Shift-II
Alternating Current

155320 An electric bulb is rated as $200 \mathrm{~V}-100 \mathrm{~W}$. The power consumed by the bulb when operated at $100 \mathrm{~V}$ is

1 $25 \mathrm{~W}$
2 $50 \mathrm{~W}$
3 $75 \mathrm{~W}$
4 $100 \mathrm{~W}$
UPSEE 2019
Join With Us for More Updates
Alternating Current

155317 A resistance of $100 \Omega$, inductor of selfinductance $\left(\frac{4}{\pi^{2}}\right) H$ and a capacitor of unknown capacitance are connected in series to an a.c. source of $200 \mathrm{~V}$ and $50 \mathrm{~Hz}$. When the current and voltage are in phase, the capacitance and power dissipated is respectively

1 $2.5 \times 10^{-5} \mathrm{~F}, 400 \mathrm{~W}$
2 $3.0 \times 10^{-5} \mathrm{~F}, 50 \mathrm{~W}$
3 $2.0 \times 10^{-5} \mathrm{~F}, 100 \mathrm{~W}$
4 $1.5 \times 10^{-5} \mathrm{~F}, 200 \mathrm{~W}$
MHT-CET 2020
Alternating Current

155318 In an AC circuit, the current is given by $I=5 \sin (100 t-\pi / 2)$ and the alternating potential is $V=200 \sin (100) t$ volt. The power consumed in the circuit is

1 $20 \mathrm{~W}$
2 $40 \mathrm{~W}$
3 $1000 \mathrm{~W}$
4 zero
AP EAMCET-23.09.2020
Alternating Current

155319 A lamp delivers a luminous flux of $100 \mathrm{~W}$ to an absorber of area $1 \mathrm{~cm}^{2}$. The force due to radiation pressure is

1 $3.3 \times 10^{-4} \mathrm{~N}$
2 $16.5 \times 10^{-7} \mathrm{~N}$
3 $3.3 \times 10^{-6} \mathrm{~N}$
4 $3.3 \times 10^{-7} \mathrm{~N}$
AP EAMCET (20.04.2019) Shift-II
Alternating Current

155320 An electric bulb is rated as $200 \mathrm{~V}-100 \mathrm{~W}$. The power consumed by the bulb when operated at $100 \mathrm{~V}$ is

1 $25 \mathrm{~W}$
2 $50 \mathrm{~W}$
3 $75 \mathrm{~W}$
4 $100 \mathrm{~W}$
UPSEE 2019
For More Updates join with Us