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The equivalent resistance between point A and B is: a) 32.5Ω b) 22.5Ω. c)2.5ΩD. d) 2.5Ω

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The equivalent resistance between point A and B is: a) 32.5Ω b) 22.5Ω. c)2.5ΩD. d) 2.5Ω

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With what minimum acceleration can a fireman slide down a rope whose breaking strength is two third of his weight?

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With what minimum acceleration can a fireman slide down a rope whose breaking strength is two third of his weight?

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The distance between an object and a screen is 100cm. A lens produces an image on the screen when the lens is placed at either of the positions 40cm apart. The power of the lens is nearly

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The distance between an object and a screen is 100cm. A lens produces an image on the screen when the lens is placed at either of the positions 40cm apart. The power of the lens is nearly

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An AC voltage source of variable angular frequency ωand fixed amplitude V0 is connected in series with a capacitance C and an electric bulb of resistance R (inductance zero). When ω is increased A. the bulb glows dimmer B. the bulb glows brighter C. total impedance of the circuit is unchanged D. total impedance of the circuit increases.

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An AC voltage source of variable angular frequency ωand fixed amplitude V0 is connected in series with a capacitance C and an electric bulb of resistance R (inductance zero). When ω is increased A. the bulb glows dimmer B. the bulb glows brighter C. total impedance of the circuit is unchanged D. total impedance of the circuit increases.

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The amplitude of a particle executing S.H.M. is 4cm . At the mean position the speed of the particle is 16cms−1 . The distance of the particle from the mean position at which the speed of the particle becomes 8√3cms−1 , will be:

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The amplitude of a particle executing S.H.M. is 4cm . At the mean position the speed of the particle is 16cms−1 . The distance of the particle from the mean position at which the speed of the particle becomes 8√3cms−1 , will be:

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