Multiple Choice
For an ohmic substance, the resistivity depends on:
A) the electric field
B) the potential difference
C) the current density
D) the electron mean free time
E) the cross-sectionalarea of the sample
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q6: A 60-watt light bulb carries a current
Q7: A current of 0.5 ampere exists in
Q8: An certain resistor dissipates 0.5 W when
Q9: For a cylindrical resistor made of ohmic
Q10: A current of 0.3 A is passed
Q11: If the potential difference across a resistor
Q12: For an ohmic substance, the electron drift
Q13: A cylindrical copper rod has resistance R.
Q14: Of the following the copper conductor that
Q16: Five cylindrical wires are made of the