Multiple Choice
In semiconductors upon increasing temperature, conductivity
A) decreases
B) increases
C) remains constant
D) haphazard
Correct Answer:

Verified
Correct Answer:
Verified
Q4: Component which obeys ohm's law is called<br>A)resistive
Q5: Two waves with phase difference 180° have
Q6: If current and potential difference are directly
Q7: Resistivity is measured in<br>A)ohms<br>B)ohm per meter<br>C)ohm meter<br>D)ohm
Q8: From double-slit experiment, the quantities to be
Q10: A filament lamp is<br>A)Ohmic<br>B)non-Ohmic<br>C)low resistive<br>D)non glowing
Q11: Resistance of a particular wire depends upon<br>A)size
Q12: If two waves are in phase and
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>