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23/07/2020

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20/04/2020

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17/04/2020

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02/02/2020

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NOW IN MUZAFFARPUR(GOBARSHI)
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02/02/2020

Now In MUZAFFARPUR
India's Best Physics Faculty has arrived.
of 15 years at FIITJEE DELHI
NO :- 9910915514
# ADDRESS:- CHANKYA VIHAR , GOBRSAHI , MZAFFARPUR

01/08/2014

In meter-bridge the balancing length from left is found to be 20 cm when standard resistance of 1 Ω is in right gap. The value of unknown resistance is
(a) 0.25Ω (b) 0.4 Ω
(c) 0.5 Ω (d) 4 Ω

01/08/2014

Kirchhoff’s first law, ie, ∑I = 0 at a junction, deals with the conservation of
(a) Angular momentum
(b) Linear momentum
(c) Energy
(d) Charge

01/08/2014

A steady current flows in a metallic conductor of non-uniform cross-section. The quantity/Quantities constant along the length of the conductor is/are
(a) Current, electric field and drift speed
(b) Drift speed only
(c) Current and drift speed
(d) Current only

01/08/2014

A piece of copper and another of germanium are cooled from room temperature to 80 k. The resistance of
(a) Each of them increases
(b) Each of them decreases
(c) Copper increases and germanium decreases
(d) Copper decreases and germanium increases

01/08/2014

A 4µF capacitor and a resistance of 2.5 MΩ are in series with 12 V battery. Find the time after which the potential difference across the capacitor is 3 times the potential difference
Across the resistor. [Given, in (2) = 0.693]
(a) 13.86 s (b) 6.93 s
(c) 7 s (d) 14 s

23/07/2014

A river is flowing from west to east at a speed of 5 m/ min. A man on the south bank of the river, capable of swimming at 10 m/ min in still water, to swim across the river in the shortest time. He should swim in a direction ? visit http://www.keshawclasses.com/

23/07/2014

A bus traveling the first one-third distance at a speed of 10 km/h, the next one third at 20 km/h and the last one-third at 60 km/h. the average speed of the bus is ? For more questions visit http://www.keshawclasses.com/

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