Random Questions

1. What type of waveform is shown in the given circuit? A.     Sine wave B.     Square wave C. […]

26. Which unit of charge contains 6.25 × 1018 electrons? A.     An ampere    B.     A coulomb C.   

21. One coulomb passing a point in one second is one: A.     ampere    B.     volt C.     ohm  

26. Which unit of charge contains 6.25 × 1018 electrons? A.     An ampere    B.     A coulomb C.   

21. One coulomb passing a point in one second is one: A.     ampere    B.     volt C.     ohm  

16. Which voltage source converts chemical energy to electrical energy? A.     Electrical generator B.     Battery C.     Solar

11. A voltmeter is used: A.     to measure current B.     in series with the circuit C.     in

6. The battery symbol is: A.     mca1_1009a1.gif B.     mca1_1009b1.gif C.     mca1_1009c1.gif D.     mca1_1009d1.gif Answer & Explanation

1. What is the color code for a 220 omega.gif 5% resistor? A.     Red, Red, Brown, Gold B.   

1. A reverse biased diode will act as an open switch. A.     True    B.     False Answer & Explanation

1. A reverse biased diode will act as an open switch. A.     True    B.     False Answer & Explanation

46. In a power supply diagram, which block indicates a pulsating dc output? A.     transformer    B.     filter C.

41. Providing a constant output regardless of ac input or load resistance changes is the function of a: A.