What can be increased in order to increase the magnetic field?

The size of the iron core

The magnetic poles

The wire resistance

The current

What is the fundamental property of matter that can either be positive or negative?

What is heat? A. A measure of the movement of molecules inside an object B. The transfer of energy from a hot object to a cold object C. The force exerted on an area by an object D. A measure of mass per unit volume of an object

In addition to the lyre, which instrument did minnesingers use to accompany their songs?

Which part of the flower is the male reproductive organ

There are 3.78 liters in one gallon, therefore 3.78L = 1 Gallon. If I need 58 half-gallon containers for my boat, determine the buoyant force that would be created.

In a summer storm the wind is blowing with a velocity of 8m/s north. Suddenly in 3 seconds, the winds velocity is 23m/s north. What is the winds acceleration?

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)