Physics, 30.12.2021 14:00 jessysmith9678
Two identical cells each having e. m.f. 1.5V and internal resistance 0.5ohm are connected in series to a coil of resistance 5ohm. What is a) the effective e. m.f. of the cells?
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Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward
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In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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Two identical cells each having e. m.f. 1.5V and internal resistance 0.5ohm are connected in series...
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