An ammeter has a f.s.d. of 100 mA and a resistance of 5022. The ammeter is used to meas- ure the current in a load of resistance 500 2 when the supply voltage is 10V. Calculate (a) the ammeter read- ing expected (neglecting its resistance), (b) the actual current in the circuit, (c) the power dissipated in the ammeter, and (d) the power dissipated in the load. From Figure 10.10, 0-100 mA A ra = 50 Ω R = 500 02 10V

An ammeter has a f.s.d. of 100 mA and a resistance of 5022. The ammeter is used to meas- ure the current in a load of resistance 500 2 when the supply voltage is 10V. Calculate (a) the ammeter read- ing expected (neglecting its resistance), (b) the actual current in the circuit, (c) the power dissipated in the ammeter, and (d) the power dissipated in the load. From Figure 10.10, 0-100 mA A ra = 50 Ω R = 500 02 10V

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter7: Parallel Circuits

Section: Chapter Questions

Problem 3PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....

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Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

Electrical Engineering

An ammeter has a f.s.d. of 100 mA and
a resistance of 50 2. The ammeter is used to meas-
ure the current in a load of resistance 500 2 when the
supply voltage is 10 V. Calculate (a) the ammeter read-
ing expected (neglecting its resistance), (b) the actual
current in the circuit, (c) the power dissipated in the
ammeter, and (d) the power dissipated in the load.
From Figure 10.10,
Figure 10.10
0-100 mA
A
a = 500
R = 500 Q
10V

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