Physics, 21.08.2019 01:10 Alex9089435028
Ahorizontal circular wire loop of radius 0.5 m lies in a plane perpendicular to a uniform magnetic field that is pointing down from above into the plane of the loop, and has a constant magnitude of 0.45 t. if in 0.14 s the wire is reshaped from a circle into a square, but remains in the same plane, what is the magnitude of the average induced
emf in the wire during this time? (hint: what remains constant during the change is the total length of the wire that formed the initial loop.] answer in units of v.
Answers: 3
Physics, 21.06.2019 15:00
Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n
Answers: 1
Physics, 22.06.2019 01:30
Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w Š². 12 w Ń. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a Š². 2 Š° c. 3 a d. 4 a e. 6 a
Answers: 2
Physics, 22.06.2019 09:30
Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.
Answers: 1
Ahorizontal circular wire loop of radius 0.5 m lies in a plane perpendicular to a uniform magnetic f...
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