CET QUESTIONS WITH VERIFIED ANSWERS LATEST UPDATE

CET QUESTIONS WITH VERIFIED ANSWERS LATEST UPDATE A resistor __________________. a. stores an electric charge b. is measured in coulombs c. cause a voltage drop across it d. dependent on lines of force - ANSWER c. cause a voltage drop across it 1 kΩ is the same as _________. a. 1000 ohms b. .001 ohms c. 10e-2 ohms d. 10000 ohms - ANSWER a. 1000 ohms A resistor with color bands orange, red, brown is _____. a. 3.2 mega ohms b. 232 ohms c. 2.3 kilo ohms d. 320 ohms - ANSWER d. 320 ohms A circuit with 500 ohm resistor in series with three 500 ohms connected in parallel with each other. The total resistance would be a. 666 ohms b 167.7 ohms c. 750 ohms d. 1000 ohms - ANSWER a. 666 ohms The voltage rating of a capacitor... a. must be factored into reactance formula b. relates to max voltage that should be applied to it c. indicates max current allowed d. is same as power factor - ANSWER b. relates to max voltage that should be applied to it Calculating the total capacitance of several capacitors in parallel _____. a. is not necessary as they are used b. causes a need to consider inductance factors c. is done by adding each of the capacitance values d. adding by the reciprocal of capacitance values - ANSWER c. is done by adding each of the capacitance values Ferrite _____. a. is a dielectric b. is a common inductor core material c. is most common resistor coating d. causes faulty saturation of inductors - ANSWER b. is a common inductor core material The term Henry refers to _____. a. the inductive property of a coil b. the inventor of inductors c. reactance of LR circuits d. resonant frequency of tank circuits - ANSWER a. the inductive property of a coil A certain transformer has 250 turns in the primary windings and 1250 turns in the secondary winding. The turns ratio is __________. a. 0.2 b. 2.5 c. 5 d. 0.5 - ANSWER a. 0.2 When the turns ration of a transformer is 10 and the primary AC voltage is 8V, the secondary voltage is _____. a. 80 volts b. 0.8 volts c. 8 volts d. 64 volts - ANSWER b. 0.8 volts Which of these color code patterns is found of a 270Ω 5% resistor? a. red, violet, brown, silver b. red, violet, brown, gold c. red, brown, black, silver d. red, violet, black , silver - ANSWER b. red, violet, brown, gold One microfarad is equivalent to __________ picofarads. A. 10 B. 1000 C. 100,000 D. 1,000,000 - A