Page 264 - Basic Electrical Engineering
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the cross-sectional area gets reduced to a . Its resistance will increase by a factor of
2
a.
b.
c.
d.
16. In the circuit shown in Fig. 2.187, what are the values of currents I and I ?
2
1
Figure 2.187
a. 4 A and 6 A
b. 6 A and 4 A
c. 10 A and 5 A
d. 2 A and 3 A.
17. Specific resistance of a conductor depends on
a. length of the conductor
b. area of cross sections of the conductor
c. resistance of the conductor
d. the nature of the material of the conductor.
18. In the circuit shown in Fig. 2.188, what is the value of R when the power dissipated in the 5 Ω
resistor is 45 Ω?
