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

3 V

48 V

3 A

48 ohms

A hollow glass sphere has a density of 1.30g/cm cubic at 20°C. Glycerine has a density of 1.26g/cm cubic at 20°C. At what temperature would the sphere begin to float in glycerine? Given coefficient of volume expansion of glycerine is 53 * 10^-5 / °C.

What is one fun fact about both rubies and sapphires?

To recharge a 12 v battery, a battery charger must move 3.3 * 105 c of charge from the negative terminal to the positive terminal. how much work is done by the battery charger? answer in units of j

In a science museum, you may have seen a Foucault pendulum, which is used to demonstrate the rotation of the earth. In one museum's pendulum, the 110 kg bob swings from a 15.0-m-long cable with an amplitude of 5.0° Requried: a.

Morality is the universal human capacity and motivation to evaluate objects, events, and behaviors as good or bad, right or wrong. Question 3 options: A) True B) False

How much power does a hair dryer require to transform 198000

An electric oven has a resistance of 201 ohms and a voltage of 220 V. How much current does it draw? a) 11 A b) 1.1 A c) 1,100 A d) 110 A

How are magnetic fields and electric fields similar

What was done to test if Comets are responsible for 1/2 the Earth's water?

Select the correct answer. Which healthy snack can provide protein after physical activity? A. an orange slice B. pretzels C. yogurt D. a sports drink