Page 13 - HA

Question 15:
For determining the equivalent resistance of two resistors R1 and R2 connected in
series, three students X, Y and Z set up their circuits as shown below.

The correct set-up is that of
(a) student X only
(b) student Y only
(c) student Z only
(d) students X and Z

Question 16:
Study the I-V graph for the conductors A, B and C having resistance RA, RB and R(„
If conductors A and B are connected in series, then slope of equivalent resistance
would be

(а) less than that of A
(б) more than that of A
(c) equal to slop of B
(d) equal to slope of C

Question 17:
Two students perform experiments on two given resistors R1 and R,2 and plot the V-
I graph shown by diagram 1 and 2 for A, > R,„ the diagrams correctly represents the
situation on the plotted curves is

(a) diagram 1
(b) diagram 2