- AProduct of the individual capacitors in parallel.
- BSum of all the individual capacitors in parallel.
- CSum of their reciprocals.
- DProduct of their reciprocals.
Explanation:
The equivalent capacitance of the capacitors connected in parallel is given by sum of their individual capacitances, that is if there are n capacitors in parallel the total capacitance is given by, C = C1 + C2 + C3 + C4 + ….. + Cn.
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Assertion : Cyclotron is a device which is used to accelerate the positive ion.
Reason : Cyclotron frequency depends upon the velocity.
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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
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(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
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(c) If assertion is true but reason is false. |
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(d) If the assertion and reason both are false. |
A prism having an apex angle 4o and refraction index 1.5 is located in front of a vertical plane mirror as shown in figure. Through what total angle is the ray deviated after reflection from the mirror
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(a) 176o |
(b) 4o |
(c) 178o |
(d) 2o |
The number of dry cells, each of e.m.f. 1.5 volt and internal resistance 0.5 ohm that must be joined in series with a resistance of 20 ohm so as to send a current of 0.6 ampere through the circuit is
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(a) 2 |
(b) 8 |
(c) 10 |
(d) 12 |