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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)
Rs < R3, Rp > R1
Rs < Rp
Rs > R1, Rp < R3
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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)
Half the number of electrons travelling through Rb
Equal to the number of electrons travelling through Rc
Twice the number of electrons travelling through Rc
Half the number of electrons travelling through Rc
118. The heat energy produced by the given coil in the given circuit in five minutes is (NTSE Tamil Nadu, Stage-I, 2016-17)
6 x 105 J
5.4 x 105 J
6 x 104 J
5.4 x 104 J
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)
Bulb B1 and B3 will also burn out
Bulb B1 and B3 will give less light
Bulb B1 and B3 will give more light
Bulb B1 and B3 will give same light
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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