Which of the following is true regarding current in an external circuit

The magnetic field strength within a long solenoid isb=4.0t t, where t is time in seconds. if the radius of thesolenoid is1.0 cm, what is the magnitude of the non-coulomb force that acts on a6.0 c charge a distance6.

A truck covers 40.0 m in 7.10 s while smoothly slowing down to a final velocity of 2.75 m/s ... (a) Find the truck's original speed.

A spherical shell of radius 9.0 cm carries a uniform surface charge density σ = 9.0 nC/m2. The electric field at r = 9.1 cm is approximately

The electric field in a certain region of Earth's atmosphere is directed vertically down. At an altitude of 439 m the field has magnitude 50.7 N/C; at an altitude of 361 m, the magnitude is 84.3 N/C.

An object is in circular motion. How will the object behave if the centripetal force is removed?

How does surface roughness affect friction

Why does it hurt your hands when you carry heavy shopping in carrier bags?

Why did scientists choose carbon as a base for the atomic mass unit? Which isotope of carbon did they use?

What organelle is found in all animal cells and some plant cells

Basic of Archimedes's principle of how fluid can make body to float and sink.