Questions asked
Ankur S
Numerade educator
Changing the voltage across a resistor increases the dissipated power by 125 % . What was the change in voltage?
Ivan Kochetkov
Part A the figure shows two unequal charges +q and - Q, of opposite sign. Charge Q has greater magnitude than charge q. Point X is midway between the charges. In what section of the line will there be a point where the resultant electric field is zero? WX XY YZ VW
What is the electric field strength at x = 0 m, y = 0 m produced by two electrons, one at x = 0.0001 m, y = 0 m and the other at x = -0.0001 m, y = 0 m? 5.76 x 10^-19 N/C 0 N/C 1.8 x 10^-19 N/C 2.88 x 10^-19 N/C
Part A What is the strength of an electric field that a 0.010 C negative charge experiences 0.8 mm from a 0.20 C positive charge? 7 x 10^16 N/C 1.4 x 10^15 N/C 2.8 x 10^15 N/C 2.8 x 10^16 N/C
Part A The electric field 5.6 cm from a small object points toward the object with a strength of 180,000 N/C. What is the object's charge? -69 nC -63 nC +63 nC +69 nC
Part A Two identical small charged spheres are a certain distance apart, and each initially experiences an electrostatic force of magnitude F due to the other. With time, charge gradually diminishes on both spheres. When each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be 1/8 F 1/4 F 1/2 F 1/16 F
Part A A proton is located at x = 3 nm, y = 0.0 nm and an electron is located at x = 0.0 nm, y = 1 nm. Find the attractive Coulombic force between them. 3.7 x 10^-15 N 2.3 x 10^-11 N 9 x 10^-18 N 9 x 10^8 N
Two like charges of the same magnitude are 6 mm apart. If the force of repulsion they exert upon each other is 3 N, what is the magnitude of each charge? 1.1x10^-4 C 750 C 1.1x10^-7 C 0.11 C
rm \& (2) \( 3 \mathrm{mH}^{4} \mathrm{c} \) 9 mec 9 .m. \( Q \) ane miver Then have owiethetach
