**One newton meter is same as_____________?**

A. one watt

**B. one joule**

C. five joules

D. one joule second

**One newton meter is same as_____________?**

A. one watt

**B. one joule**

C. five joules

D. one joule second

**1 angstrom is equal to______________?**

A. 10-8 mm

B. 10″6 cm

**C. 10″10 m**

D. 10~14 m

**Conductance : mho :: ____________?**

**A. resistance : ohm**

B. capacitance : henry

C. inductance : farad

D. lumen : steradian

**Which of the following can have negative temperature coefficient _____________?**

A. Compounds of silver

B. Liquid metals

C. Metallic alloys

**D. Electrolytes**

**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

**Nichrome wire is an alloy of_____________?**

A. lead and zinc

B. chromium and vanadium

**C. nickel and chromium**

D. copper and silver

**If/, R and t are the current, resistance and time respectively, then according to Joule’s law heat produced will be proportional to_______________?**

**A. I2Rt**

B. I2Rf

C. I2R2t

D. I2R2t*

**A thermistor has_____________?**

A. positive temperature coefficient

B. negative temperature coefficient

**C. zero temperature coefficient**

D. variable temperature coefficient

**With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals_____________?**

A. 10 W

B. 20 W

C. 40 W

**D. 60 W**

**The number of electrons in the outer most orbit of carbon atom is___________?**

A. 3

**B. 4**

C. 6

D. 7