Determine the coil resistance

Assignment Help Physics

Reference no: EM13276364

Two scales on a voltmeter measure voltages up to 21.0 and 30.7 V, respectively. The resistance connected in series with the galvanometer is 1540Î© for the 21.0-V scale and 3050Î© for the 30.7-V scale. Determine

(a) the coil resistance and

(b) the full-scale current of the galvanometer that is used in the voltmeter.

Reference no: EM13276364

Questions Cloud

Calculate the cost of energy for the period 1947 to 1994 : Construction on Hoover Dam was started in 1931 and finished in 1935, and the dam was in service from 1936. When completed, it was both the world's largest electric power producing facility and the world's largest concrete structure.

Find the power output from the power supply : A 31 Î¼F capacitor is connected across a programmed power supply. find the power output from the power supply

How to calculate ph for the reaction : The burning of 80.3 g of SiH4 at constant pressure gives off 3790 kJ of heat. Calculate ?H for this reaction.

Find the power being absorbed by the resistor and inductor : A current source, Is =16.5cos(2300t) A, a resistor R=134Ω, and an inductor, L=0.12H are all in parallel. Assume steady-state conditions exist. At t=3.9ms, find the power being absorbed by the a.)resistor, b.)inductor, c.) sinsuoidal source

Determine the coil resistance : Two scales on a voltmeter measure voltages up to 21.0 and 30.7 V, respectively. Determine the coil resistance

Find the input power in kw and the efficiency in percent : A 440 Vrms (line to line voltage) three phase induction motor runs at 1150 rpm driving a load requiring 15Nm of torque. The line current is 3.4 at a power factor of 80% lagging. Find the input power in Kw, The output power in Kw, and the efficiency..

Explain what is the ph of a tris buffer : what is the pH of a Tris buffer (pka 8.1) prepared by adding 20 mL of 1M HCl to 100mL of a solution of 0.3M Tris

Describe the optimal inventory policy for the company : describe the optimal inventory policy for the company in terms of orders size and order frequency.

Calculate the output power in hp and efficiency of the motor : An electric motor draws 120kW from the line and has losses equal to 20kW, Calculate the output power in HP and efficiency of the motor.

User Account

All Pages