Basic Electrical Engineering Quiz: Test!
10 Questions
| Total Attempts: 264
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Questions and Answers
- 1.What is the unit of currency?
- A.
Ampere
- B.
Voltage
- C.
Meter
- D.
None of above
- 2.Which of the following materials possesses the least specific resistivity?
- A.
Aluminium
- B.
Copper
- C.
Silver
- D.
Iron
- E.
None of Above
- 3.The Curve representing Ohm's law is?
- A.
Linear
- B.
Hyperbolic
- C.
Parabolic
- D.
Triangular
- 4.The SI unit of electrical energy is?
- A.
Watt-Second
- B.
Joule
- C.
KWh
- D.
Volt-Ampere Second
- 5.Two wires A and B of the same Material but of different lengths L and 2L have the radius r and 2r respectively. The ratio of specific resistance will be?
- A.
1:4
- B.
1:8
- C.
1:1
- D.
1:2
- 6.Four resistances 2Ω,4Ω,5Ω,20Ω
- A.
1Ω
- B.
2Ω
- C.
4Ω
- D.
5Ω
- 7.Electrical conductivity of metals is typically of the order of (in Ω-1*m-1)
- A.
107
- B.
105
- C.
10-4
- D.
10-6
- 8.Active Element in the circuit is one which
- A.
Dissipates Energy
- B.
Receive Energy
- C.
Both receives and supplies
- D.
Supplies energy
- 9.An electric heater draws 3.5 A from a 110 V source. The resistance of the heating elements is approximately?
- A.
31Ω
- B.
3.1Ω
- C.
385Ω
- D.
38.5Ω
- 10.We have three resistances each of 1Ω,2Ω and 3Ω. If all the three resistances are to be connected in a circuit, how many different values of equivalent resistances are possible?
- A.
Five
- B.
Six
- C.
Seven
- D.
Eight
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