Multiple Choice
At threshold voltage, resistance of diode
A) decreases
B) increases
C) remains constant
D) varies depending on the direction of voltage
Correct Answer:
Verified
Correct Answer:
Verified
Q13: Current and voltage are<br>A)directly related<br>B)inversely related<br>C)not related<br>D)gives
Q14: Resistivity of lead is {{}}<br>A)22.5 × 10<sup>-8</sup>
Q15: Resistance of metal is affected by<br>A)presence of
Q16: Constructive interference happens when two waves are<br>A)out
Q17: At constant temperature, resistance and cross-sectional area
Q19: Effect of diffraction is greatest if waves
Q20: A rectifier converts<br>A)DC to AC<br>B)AC to DC<br>C)voltage
Q21: For listening radio in cars, external radio
Q22: For destructive interference, the path difference is<br>A)odd
Q23: In NTC thermistor on increasing temperature, the