Question 38
A wire of resistivity 4.40 x 10-5\(\Omega\) cm has a cross sectional area of 7.50 x 10-4 cm2. Calculate the length of the wire that will be required to make a 4.0\(\Omega\) resistor
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 2009
- Question no.
- #38
- Type
- Objective
More from this paper
- Q34An isolated metal sphere of radius R, carrying an electric charge Q, is situated…
- Q35An isolated metal sphere of radius R, carrying an electric charge Q, is situated…
- Q36A resistor of resistance R is connected to a battery of negligible internal…
- Q40If the direction of the curent in a straight wire is reversed, the magnetic…
- Q41An inductor of inductance 1.0H is connected in series with a capacitor of…
- Q42An ammeter connected to an a.c circuit records 5.5. The peak current in the…