26 test 3 fall 2017(1) [Read-Only)-Microsoft Word Insert Page Layout References

Question

26 test 3 fall 2017(1) [Read-Only)-Microsoft Word Insert Page Layout References Mailings Review View AaBbCcDc AaBbCcDc AaBbC Home _ Heading 11, -A' A, Aa TNo Spaci Styles Times New Rom-/12 :L 'Normal 91 . E-ll Styles /I.she x, x' l A.-A-13 Paragraph Font 1) A wall socket has current (T) of 3.0 A, and a volt (V) of 120 V. If a vacuum cleaner is connected to that socket, a back enf of 72 V win form from the electric motor a) What is the coil resistance (R) of the electric motor? In a circuit that has two rails. uniformed magnetic field (B) at a speed of 2.5 m/s. The magnetic field (B ) has a strength of 060T and the circuit loop has a resistance (R) 0030 . In the loop an induced current (1) will be created 2) A rod that has a length (L) of 0.10 m is moving in a a) What is the force that will act on the moving rod? 3) Is the space peovided draw a diagram of an incoming ray of light (Q) that hits a mirror at an angle of 559 From this pic, show what the outgoing reflective ray () would look ike and what would its numerical value equal ? Type here to search

Explanation / Answer

1) I = 3 A , V = 120 V

I = delta(V) / R

3 = (120 - 72) / R

R = 16 ohm ........Ans

2) F = I L B

and e = B L v = 0.60 x 0.10 x 2.5 = 0.15 Volt

I = e / R = 5 A  

F = 5 x 0.10 x 0.60

F = 0.30 N ........Ans

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