Three resistors take the shape of a triangle, one resistor in each leg. Resistance in one leg is 4 ohms, 6 ohms in a second leg, and a third leg 10 ohms. Connecting an ohm-meter across the 10-ohm resistor will show the equivalent resistance to be

A) 1.4 ohms.
B) 5 ohms.
C) 6.7 ohms.
D) greater than 6.7 ohms.


Answer: B

Physics & Space Science

You might also like to view...

In a circuit made up of inductor, resistor, ammeter, battery, and switch in series, at which of the following times after the switch is closed is the rate of current increase greatest?

a. reciprocal of one time constant c. ten time constants b. zero d. one time constant

Physics & Space Science

A "wave" could best be defined as

A) a transfer of a disturbance from one point to another without any corresponding transfer of matter. B) a vibrational motion of matter. C) a transfer of molecules from one point to another along the direction of motion, where the molecules are bunched into groups. D) an organized motion of matter from one point to another along the direction of motion of the wave. E) a transfer of a disturbance from one point to another without any corresponding transfer of energy.

Physics & Space Science

The graph shows the force on an object as it moves a distance x. What is the work done by the force when the object moves from 0.0 m to 4.0 m?



A. 6.0 J
B. 8.0 J
C. 10 J
D. 12 J
E. 14 J

Physics & Space Science

A 300-g glass thermometer initially at 25°C is put into 200 cm3 of hot water at 95°C. Find the final temperature (in °C) of the thermometer, assuming no heat flows to the surroundings. (The specific heat of glass is 0.2 cal/g?°C.)

A. 52 B. 68 C. 89 D. 79 E. 36

Physics & Space Science