Author Question: When a 20.0-ohm resistor is connected across the terminals of a 12.0-V battery, the terminal voltage ... (Read 83 times)

Wadzanai · **on:** Jul 29, 2018

When a 20.0-ohm resistor is connected across the terminals of a 12.0-V battery, the terminal voltage of the battery falls 0.30 V. What is the internal resistance of this battery?

A)

3.60
B)

1.56
C)

0.98
D)

0.30
E)

0.51

Question 2

Assuming that the gravitational acceleration is constant and equal, in magnitude, to the acceleration of gravity at the surface of the earth,

how far would light deflect from a straight line path as it travels one Earth diameter, 1.28 107 m?
A)

25.4 cm

B)

8.94 mm

C)

3.14 m

D)

1.77 cm

E)

12.7 cm