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Basic Electrical Multiple Choice Questions
01 – According to KVL the Algebraic sum of all IR Drops and EMFs in any closed loop of a network in always ?
- Zero
- Positive
- Negative
- Greater Than Unity
02. Ohm’s Law Gives Relationship between applied voltage , Current and ….
- Constant
- Resistance
- Capacitors
- Inductor
03. Chassis Ground is assumed to have . . .. . . . . Potential
- Zero
- Positive
- Negative
- None Of these
04. Electron- Volt is the Unit of ?
- Voltage
- Energy
- Current
- Power
05. A 100 ohm Resister is to be used in a circuit carrying a current of 0.5A, it power rating should be ?
- 50 w
- 25 w
- 200 w
- 500 w
06. Unit of Measure electrical energy is ?
- KVA
- KW
- KWH
- Reactive Power
07. In 5 Hourse a 200w, 250 V lamp will Consume ?
- 10 KWH
- 5 KWH
- 1 KWH
- None of these
08. Which of the Following Material has the lowest Resistivity ?
- Copper
- Gold
- Alluminium
- Silver
09. A Good Conductor is a …… Insulator ?
- Good
- Bad
- Moderate
- Metellic
10. The Unit of Specific Resistance is ?
- Ohm – m
- Ohm – Square Meter
- Ohm/meter
- Ohm / SquareMeter
11. Power Transformer by a DC network will be maximum when ?
- RL=RTH
- RL = RN
- RL = RTH = RN
- None of These