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23 Nov 2019
Q1.Two identical batteries, each with an emf of 18 V and aninternal resistance of 1 O, are wired in parallel by connectingtheir positive terminals together and connecting their negativeterminals together. The combination is then wired across a 4-Oresistor. The current in each battery is: (Answer: 2.0 A).
Q2. A single loop of wire with a radius of 7.5 cm rotates about adiameter in a uniform magnetic field of 1.6 T. To produce a maximumemf of 1.0 V, it should rotate at: (answer: 35 rad/s).
Q1.Two identical batteries, each with an emf of 18 V and aninternal resistance of 1 O, are wired in parallel by connectingtheir positive terminals together and connecting their negativeterminals together. The combination is then wired across a 4-Oresistor. The current in each battery is: (Answer: 2.0 A).
Q2. A single loop of wire with a radius of 7.5 cm rotates about adiameter in a uniform magnetic field of 1.6 T. To produce a maximumemf of 1.0 V, it should rotate at: (answer: 35 rad/s).
Tod ThielLv2
4 Sep 2019
