The current in a radio measures 12 amps. The resistance of the radio is 4 ohms. What is the voltage?

Question 1 options:

3 V

48 V

3 A

48 ohms

A crane does 300 Joules of work in 6 seconds. How much power was used?

A 1.55-kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a 13.3-n horizontal force. find the magnitude of the tension in the rope, and the rope/'s angle from the vertical.

As the frequency of a wave increases what happens to its period and wavelength if its speed stays the same

Select all that apply. An acorn falls from a tree. Which of the following statements is true? The force of gravity is acting on the acorn. The force of gravity is the only force acting on the acorn. A frictional drag force is acting on the acorn.

A uniform electric field, with a magnitude of 650 N/C, is directed parallel to the positive x-axis. If the potential at x = 3.0 m is 1 700 V, what is the potential at x = 1.0 m?

How are Global winds and Local winds similar?

Which insurance would contradict the big bang theory

An earthquake causes a 3 kg book to fall from a shelf. If the book lands with a speed of 4.0 m/s, from what height did it fall? A. 2.8 m B. 1.4 m C. 0.6 m D. 0.8 m

Which of the following correctly describes voltage difference? A. The push that causes charges to move B. Causes charges not to move C. Flows from low areas to high areas D. Flows from high to low areas

Is the following true or false? Mechanical waves can travel through empty space