Question 1 A uniform conducting rod of length 15 cm has a potential difference across its ends equal to 34 mV (millivolts). What is the magnitude of the electric field inside the conductor in units of N/C?
(Reminder: NEVER include units with ANY submission to a numerical question.)
Question 21 / 1 ptsA cylindrical rod has a length of 73 cm and a diameter of 1.2 mm. What is the cross-sectional area in 10-6 m2?
Do not include units with your answer.
Question 30.5 / 0.5 ptsFor our four-wire resistors (pictured below) the voltage is measured across which two terminals (numbered 1-4 in the figure)?
1 and 2
3 and 4
1 and 4
2 and 3
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