A thermistor has __________?
A. positive temperature coefficient
B. negative temperature coefficient
C. zero temperature coefficient
D. variable temperature coefficient
Author: Aroma Ann
Conductance: mho:: __________?
A. resistance: ohm
B. capacitance: henry
C. inductance: farad
D. lumen: steradian
When a voltage of one volt is applied, a circuit allows one micro ampere current to flow through it. The conductance of the circuit is __________?
A. 1 n-mho
B. 106 mho
C. 1 milli-mho
D. none of the above
One newton meter is same as __________?
A. one watt
B. one joule
C. five joules
D. one joule second
Nichrome wire is an alloy of __________?
A. lead and zinc
B. chromium and vanadium
C. nickel and chromium
D. copper and silver
Voltage dependent resistors are usually made from __________?
A. charcoal
B. silicon carbide
C. nichrome
D. graphite
The ratio of mass of proton to that of electron is nearly __________?
A. 1840
B. 1840
C. 30
D. 4
