Physics > Electricity and Magnetism

A student is using two neutral conducting spheres with equal negative and positive charges. She want... Object A has a charge of –1 Coulomb. At a given distance, the object with which charge would be most... An illustration with 3 positively charged spheres. q Subscript 1 baseline and q Subscript 2 baseline... How does the Coulomb force affect charge interactions?(1 point) Responses Like charges attract,... Two balloons are rubbed with wool, giving each a negative charge. The balloons are then attached to... Figure 4 below shows three points that have a perpendicular layout. Charge Qx with a magnitude of +... You are provided with three capacitors with capacitance 4F, 3F, 2F, respectively. What is the max... Calculate the resistance of a copper cable which is 500meters long, it's cross sectional area is 2m^... The head lamp of a car takes a current of 0.4A from a 12v supply energy produce in 5m is An alternating emf is represented by e=420sin(942,478t) volts. Calculate a)frequency of the emf b...