Physics - Current Electricity

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116. If 3 resistances R1, R2 and R3 are connected in series and then parallel, then their equivalent resistances are Rs and Rp respectively, then correct relationship is (R1 > R2 > R3) (NTSE Madhya Pradesh, Stage-I, 2016-17)

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117. If all Ra = Rb = Rc, then the number of electrons travelling through Ra in every second is

(NTSE Tamil Nadu, Stage-I, 2016-17)

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118. The heat energy produced by the given coil in the given circuit in five minutes is

(NTSE Tamil Nadu, Stage-I, 2016-17)

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119. Three identical bulbs B1, B2 and B3 are connected in parallel across terminals of an ideal source of emf. What will happen if bulb B2 burns out? (NTSE Bihar, Stage-I, 2016-17)

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120. n conducting wires of same dimensions, but having resistivities 1, 2, 3, .... n are connected in series the equivalent resistivity of the combination is (NTSE Telangana, Stage-I, 2016-17)

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