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Figure 2.188
a. 9 Ω
b. 3 Ω
c. 6 Ω
d. 18 Ω.
19. The equivalent resistance of the circuit between the terminal A and B is
Figure 2.189
a. 1.66 Ω
b. 0.833 Ω
c. 2.66 Ω
d. 1.33 Ω.
20. The seem of two resistances connected in series across a supply voltage is 100 Ω. What are
the values of the individual resistance if voltage drop across one of the resistors is 40 per cent
of the supply voltage.
a. 20 Ω and 80 Ω
b. 50 Ω and 50 Ω
c. 40 Ω and 60 Ω
d. 10 Ω and 90 Ω.
21. Currents flowing through four resistances connected in parallel are 0.4 A, 0.3 A, 0.2 A, and
0.1 A, respectively. The equivalent resistance of the parallel circuit is 12 Ω. The value of
resistances are
