Unit 11 Question 2

Question 2

Which of the following statements are true of current measurements?

a. the ammeter should draw very little current compared with that in the rest of the circuit
b. the ammeter should have a high resistance compared with the resistances of the other elements in the circuit
c. to measure the current in a circuit element, the ammeter should be connected in series with that element
d. connecting the ammeter in series with a circuit element inevitably causes at least a small reduction of the current in that element

A. a only F. a and c

B. b only G. b and c

C. c only H. b and d

D. d only I. c and d

E. a and b J. Some other combination