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# Electrical Engineering - Quantities and Units

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### Exercise

• General Questions
"Weakness of attitude becomes weakness of character."
- Albert Einstein
1.

When these numbers are multiplied, (6 × 103) (5 × 105), the result is

 A. 3 × 108 B. 30 × 108 C. 300 × 109 D. 3,000 × 107

2.

Resistance is measured in

 A. henries B. ohms C. hertz D. watts

3.

The number 65,000 expressed in scientific notation as a number between 1 and 10 times a power of ten is

 A. 0.65 × 104 B. 6.5 × 104 C. 65 × 104 D. 650 × 103

4.

When converting 7,000 nA to microamperes, the result is

 A. 0.007 µA B. 0.7 µA C. 700 µA D. 7 µA

5.

The number of kilowatts in 135 milliwatts is

 A. 1.35 × 10–4 kW B. 135 × 10–3 kW C. 0.0135 kW D. 0.00135 kW