What must the charge (sign and magnitude) of a particle be for it to remain stationary when placed in a downward-directed electric field of magnitude (b) what is the magnitude of an electric field in which the electric force on a proton is equal in magnitude to its weight?

Avoltage source vs = 10 v is in series with a resistor of 10 kohm. if the source transformation theorem is applied, what will the value of the current source be in ma ?

Name the non metal condut electricity

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer