If two resistors R_1 and R_2 (R_2 > R_1) are connected in series as shown in Fig

Question

If two resistors R_1 and R_2 (R_2 > R_1) are connected in series as shown in Fig. Q26.5, which of the following must be true? In each case justify your answer. (a) I_1 = I_2 = I_3. (b) The current is greater in R_1 than in R_2 (c) The electrical power consumption is the same for both resistors. (d) The electrical power consumption is greater in R_2 than in R_1. (e) The potential drop is the same across both resistors. (f) The potential at point a is the same as at point c. (g) The potential at point b is lower than at point c. (h) The potential at point c is lower than at point b.

Explanation / Answer

in series connection current should be equal in all resistors
voltage drop and power is prportional ot each resistor

a) I1=I2=I3
d) The electric power consumption is greater in R2 than R1
h) potential at point c is lower than at point b

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