A capacitor acts as an infinite resistance for
1. DC
2. AC
3. DC as well as AC
4. neither AC nor DC
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn AC source producing emf
ε = ε0 [cos(100 π s–1)t + cos(500 π s–1)t]
is connected in series with a capacitor and a resistor. The steady-state current in the circuit is found to be
i = i1 cos [(100 π s–1)t +ϕ1] i2 cos[(500 π s–1)t + φ2]
1. i1 > i2
2. i1 = i2
3. i1 < i2
4. the information is insufficient to find the relation between i1 and i2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA series AC circuit has a resistance of 4 Ω and a reactance of 3. Ω. The impedance of the circuit is
1. 5 Ω
2. 7 Ω
3. 12/7 Ω
4. 7/12 Ω
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(a) | of the inductor increases. |
(b) | of the resistor increases. |
(c) | of the capacitor increases. |
(d) | of the circuit increases. |
1. | (a) only | 2. | (b), (c) |
3. | (c), (d) | 4. | (a), (d) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe reactance of a circuit connected to an AC circuit is zero. It is possible that the circuit contains
(a) an inductor and a capacitor
(b) an inductor but no capacitor
(c) a capacitor but no inductor
(d) neither an inductor nor a capacitor
Choose the correct option
1. (a) only
2. (b), (c)
3. (c), (d)
4. (a), (d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn an AC series circuit, the instantaneous current is zero when the instantaneous voltage is maximum. Connected to the source may be a:
(a) | pure inductor. |
(b) | pure capacitor. |
(c) | pure resistor. |
(d) | combination of an inductor and a capacitor. |
Choose the correct option:
1. | (a), (b), (d) |
2. | (b), (c), (a) |
3. | (c), (d), (a) |
4. | (a), (d), (c), (b) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology