Electronics Quiz - Physics Quiz - Science Quiz

• Ease of switching between bands
• Stable output frequency
• Excellent modulation clarity
• Ease of changing frequency

50. What is an advantage of the low internal resistance of Nickel Cadmium batteries?

• Long life
• High voltage
• High discharge current
• Rapid recharge

51. What segments of the 7-segment LED display need to be energized to make the number 9?

• a, b, c, f and g
• a, b, d, f and g
• b, c, d, e and g
• a, b, e, f and g

52. Magnetic fields:

• are not important to the operation of sensors
• are harmful to the operation of sensors
• play an important part in the operation of many sensors
• are generated by all sensors

53. What components, along with a switch, provide the basic circuit for a switching voltage regulator?

• two inductors
• an inductor and a capacitor
• two capacitors
• an inductor, diode and capacitor

54. A phototransistor, a light sensitive transistor:

• Has no base connection
• Has normal base, collector, emitter connections
• Has the base and collector connected together
• Has the base and emitter connected together

55. Interrupts control the digital processor

• at specific well defined times
• at unexpected or random times
• at regular predetermined repeating times
• at the same time every time

56. What will happen to the resistance if the temperature of a carbon resistor is increased?

• It will increase by 20% for every 10 degrees centigrade
• It will stay the same
• It will become time dependent
• It will change depending on the resistor's temperature coefficient rating