If a resource is locked, a thread that wants to access that resource may repetitively check whether the resource is available. During that time, the thread may loop and check the resource without doing any useful work. Suck a lock is termed as spin lock.
When converting 0.16 mA to micro-amperes, the result is A. 16 µA B. 160 µA C. 1,600 µA D. 0.0016 µA
When these numbers are added, (87 × 105) + (2.5 × 106), the result is A. 1.12 × 104 B. 11.2 × 105 C. 112 × 105 D. 1,120 × 106
The number 4.38 × 10-3 expressed as a number having a power of 10-6 is A. 4,380 × 10-6 B. 438 × 10-6 C. 43,800 × 10-6 D. 438,000 × 10-6
The number 3.2 × 10-5 A expressed using a metric prefix is A. 32 µA B. 3.3 µA C. 320 mA D. 3,200 mA
The core of a coil has a length of 10 cm. The self inductance is 8 mH. If the core length is doubled, all other quantities remaining the same, the self inductance will be A. 32 mH B. 16 mH C. 8 mH D. 4 mH
Diamond is a paramagnetic material. A. True B. False
Eighteen thousand watts is the same as A. 18 mW B. 18 MW C. 18 kW D. 18 µW
Which capacitor-store higher amount of energy? A. Air capacitor B. Paper capacitor C. Mica capacitor D. Plastic film capacitor
Above ferroelectric curie temperature, spontaneous polarization in ferroelectric materials becomes stronger. A. True B. False
Resistance is measured in A. henries B. ohms C. hertz D. watts
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