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CBSE Class 12-science Answered

On which  factors does sensitivity of wheat stone bridge depend?
Asked by princessalkabhardwaj | 25 May, 2016, 12:40: PM
answered-by-expert Expert Answer

Hi,

(i) Relative magnitudes of the resistances in the four arms of the bridge.

(ii) Relative position of the galvanometer and battery.

Answered by | 06 Jun, 2016, 06:12: PM

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CBSE 12-science - Physics
Electric sheilding 
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CBSE 12-science - Physics
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A dumbbell consists of two masses A and B each of mass m joined by a light rod of length l with mass B attached to a suspension point O by a light rod of length l as shown in figure. Find the minimum required speed with which mass A to be projected horizontally so that the system completes the vertical circular motion.
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CBSE 12-science - Physics
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CBSE 12-science - Physics
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CBSE 12-science - Physics
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Asked by mohapatraswetalina88 | 21 Apr, 2024, 12:18: PM
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CBSE 12-science - Physics
if breakdown voltage of each capacitor is 40v ,then maximum applied voltage Vmax will be
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CBSE 12-science - Physics
explain
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CBSE 12-science - Physics
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Asked by dasrituparna1999 | 13 Apr, 2024, 06:56: AM
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CBSE 12-science - Physics
The number of moles in an elemental sample is just the ratio of the mass m to atomic mass 4. n= A The number of protons N, in an elemental sample is Z (atomic number) times the number of moles of Avogadro's number NA N=ZnN P A Copper has an atomic mass of 63.5 g/mole and 29 protons per atom. If such an atom were neutral, then it would have as many protons as electrons. If you remove electrons from a neutral state, then you get a net positive charge. Given a 54 gram ball of copper with a net charge of 2.2 µC, what fraction of the copper's electrons have been removed?
Asked by dasrituparna1999 | 12 Apr, 2024, 09:26: PM
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