Meters: A galvanometer has a coil with a resistance of 24.0 ?, and a current of 180 ?A causes full-scale deflection. If the galvanometer is to be used to construct an ammeter that deflects full scale for 10.0 A, what shunt resistor is required?

A. 234 ??
B. 342 ??
C. 432 ??
D. 423 ??


Answer: C

Physics & Space Science

You might also like to view...

A child has a temperature of 104°F. What is the temperature in degrees kelvin?

a. 40 b. 406 c. 401 d. 313 e. 349

Physics & Space Science

A deuteron is accelerated from rest through a 10-kV potential difference and then moves perpendicularly to a uniform magnetic field with B = 1.6 T. What is the radius of the resulting circular path? (deuteron: m = 3.3 × 10^-27 kg, q = 1.6 × 10^-19 C)

a. 19 mm b. 13 mm c. 20 mm d. 10 mm e. 9.0 mm

Physics & Space Science

If a wave's frequency doubles and its speed stays constant, its wavelength

A) becomes 16× longer. B) is also doubled. C) is unchanged, as c is constant. D) is now 4× longer. E) is halved.

Physics & Space Science

A pressure of 20 kPa is applied to one piston in a simple hydraulic device, the pressure on a piston of larger area will be

A) less than 20 kPa. B) the same 20 kPa. C) more than 20 kPa. D) all of the above E) none of the above

Physics & Space Science