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- Find the resistance(in the unit of Ohm) of a Nichrome rod of diameter d=1 mm and has a length L=5 m (resistivity of Nichrome, p = 1.8x 10-º0.m) a. 0.0001312 b. 0.02291 c. 0.107 d. None e. 0.01146Find the resistance (in the unit of Ohm) of a Nichrome rod of diameter d=10 mm and has a length L=7 m (resistivity of Nichrome, P= 1.8x 10 Q.m) a. 0.0003207 b. 2.572 10-8 c. 0.0001604 d. None e. 0.012662. An aluminum cube has sides of length 1.80 m. What is the resistance between the two opposite faces of the cube? 3. (a) What is the reșistance.of a nichrome wire at 0°C if its resistance is 100 Q at 11.5°C? (b) What is the resistance of a carbon rod at 25.8°C if its temperature coefficient of resistance is 0.0160/°C at 0°C?
- Given a resistance of 96.91 Q and a capacitance of 980.14 µF, what is t 1/2? Answer in milliseconds. (Answer to one tenth of a millisecond or N/A if there is no answer.)16. What is the power dissipated in Watts by the 9-ohm resistor? Write the answer in whole number. 1.6 16.0 V 5.00 9.00 1.402 8.0 VR2 V. What is the resistance of The following circuit carries a current of 200.0 mA. 7, - 6 2 V and Vsource = 15 Vi = 6.2 R, V R,
- 32. A copper conductor has its specific resistance(po) of 1.6 x 106 ohm-cm at 0°C and a resistance temperature coefficient(a20) at 1/254.5 per °C at 20°C. Find: a. specific resistance(p60) at 60°C and b. the resistance- temperature coefficient (a60) at 60°C. (Temperature co-efficient of resistance, 1+aot,1. While repairing an electric bulb socket, an electrieian gets a mild shock when a current of. 0.005 A passes through him. The same electrician is killed by a current 0.15 A when he turned on an electric bulb while taking a bath. The voltage in cach situation is equal to 120 V. Find the resistance of the electrician in each situation.A metal wire has a resistance of 10.0 l at a temperature of 20.0 ° C . If the same wire has a resistance of 10.6 lat 90.0 ° C , what is the resistance of this wire when its temperature is 220.0 ° C ?
- . Determine the overall resistance of a 100-meter length of 14 AWA (0.163 cm diameter) wire made of the following materials.1. aluminum (resistivity = 2.65x10-8 Ω•m)2. iron (resistivity = 9.71x10-8 Ω•m)3. When the temperature is 5oC, the resistance of the carbon resistor is 217.2Ω. What is the temperature if the resistance is 212.7?8. Given the table, solve for the following: a. Find the resistance of a 10 m long copper wire coil with a diameter of 5 cm forming a cylinder. Resistivity of Materiais at 20°c Copper 168 x10+ b. Find the width of a 10 m long aluminum sheet with a Aluminum 2.65 x10 resistance of 0.1 0. Mercury 98 x10 C. Find the length of a mercury wire coil which has a resistance of 5Q and a diameter of 10 cm forming a cylinder.