Physics - Current Electricity

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46. Which is the correct answer for the circuit given below?

(NTSE Tamil Nadu, Stage-I, 2014-15)

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47. Consider two conducting plates A and B between which the potential difference is 5 volt, plate A being at a higher potential. A proton and an electron are released at plates A and B respectively. The 2 particles then move towards the opposite plates - the proton to plate B and the electron to plate A. Which one will have a larger velocity when they reach their respective destination plates? (NTSE Stage-II, 2013-14)

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48. Find the effective resistance between points A and B

(NTSE Punjab, Stage-I, 2015-16)

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49. It is written 100 watt - 250 volt on any bulb its resistance will be (NTSE Uttar Pradesh, Stage-I, 2015-16)

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50. Five resistances of same value x are joined in an electric circuit as shown in figure. The equivalent resistance between ends P and Q is 3 Ω. The value of x

(NTSE Delhi, Stage-I, 2016-17)

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