Exam L, PHY-216; Spring 2018 (Set 14) Name StEnch Section 30 ID00 49511Date Lab

Question

Exam L, PHY-216; Spring 2018 (Set 14) Name StEnch Section 30 ID00 49511Date Lab 12:0hm's law and the M 1. Which of the following statement correctly states the Ohm's law (5) a) The amount of current is inversely proportional to the vollage b) The amount of current is direcily proportional to the resistance The amount of current is directly proportional to the volhage )The amount of current is direcily proportional to the volkage and the resistance 2. In the figure, (5) a.6.3and 9 are in series b, 9 and 6 are in parallel and the combination is in series with 3 3.S and 90 are in parallel 3.6are in parallel and 9 is in series 3. The nominal rating of a fuse in an ammeter is 0.05 A.Assume you are using a0.75 k2 resistor, what is the maximum voltage you can apply to the resistor before the fuse in the ammeter wil break a.0067 37.5 1.50V )0 0375 Figure 2 shows a graph of eurrent versus voltage 1e Figure 2: Plot of current versus voltage in an Ohm's law experiment. DWhat is the slope? a)y=0.0018x-6*10-6 b)1 C)0.0018 d) None of these are correct

Explanation / Answer

1. from Ohm's law,

V = (R) I

where R is constant.

Ans:(C)

2. Ans(d) as we can see from circuit.

3. V = I R = (0.05 A) (0.75 x 10^3 ohm)

V = 37.5 V  

Ans(C)

4. slope : (C) 0.0018 ohm

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