About electric fields, Which of the subsequent is true

About electric fields

Assignment Help Physics

Reference no: EM13681761

Which of the subsequent is true about electric fields?

1. Electric fields are scalars, and do not have direction.

2. Electric fields point from low voltage to high voltage.

3. Electric fields point from high voltage to low voltage.

4. There is no relation between electric fields and changing voltages.

5. None of the above.

Reference no: EM13681761

Questions Cloud

What is the distance of closest approach of two particles : An alpha particle with a kinetic energy of 13.0MeV makes a head-on collision with a gold nucleus at rest. What is the distance of closest approach of the two particles? (Suppose that the gold nucleus remains stationary and that it might be treated as..

What is the speed of the box just before hitting the spring : A 4.5kg box slides down a 4.1-m -high frictionless hill, starting from rest, across a 1.7-m -wide horizontal surface, then hits a horizontal spring by spring constant 550N/m. The other end of the spring is anchored against a wall. What is the speed o..

About capacitance : Which of the following is true about Capacitance? The capacitance depends on the battery voltage. The capacitance depends on the charge on the plates.

About the direction of current : Which of the subsequent is true about the direction of current? The direction of the current is from low voltage to high voltage. The direction of the current is away from the negative terminal of the battery.

About electric fields : Which of the subsequent is true about electric fields? Electric fields are scalars, and do not have direction. Electric fields point from low voltage to high voltage.

What is the amplitude of the pendulum : A simple pendulum of length 0.8 m swings such that the pendulum reaches the maximum speed in the positive direction at a time of 0.3 seconds. At 0.4 seconds, the pendulum is at an angle of 0.05 radians. Assuming a solution of the form theta (t) = A c..

A child slides down a snow-covered slope on a sled : A child slides down a snow-covered slope on a sled. At the top of the hill, her mother gives her a push at a speed of 0.9 m/s to obtain her started. The frictional force acting on the sled is one-fifth of the combined weight of the child and the sled..

Power consumed by blow-dryer and the vacuum cleaner : A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 14 A, while that of the vacuum cleaner is 4.7 A. Decide the power consumed by the blow-dryer and the vacuum cleaner.

Slide the crate across the dock at a constant speed : A 50.7-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.628 and 0.358, respectively. What horizontal pushing force is needed to (a) just start the crate moving and (b) slide the crate across th..

User Account

All Pages