3. A circular section of copper cable has a resistance of 0.50. What will be the resistance of a copper cable of the same length but of twice its diameter?

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.

Does current flow through or across a resistor?