Electrical Measurements Qusestions

---

---

Q1:- The meter used for measuring electrical quantities are

          1.       Tachometer

          2.       Micrometer

          3.       Measuring instruments

          4.       Spherometer

ANSWER:-3

---

---

Q2:- The meter used for electrical power is called

            1.       kWh meter

            2.       voltmeter

            3.       ammeter

            4.       wattmeter

ANSWER:-4

---

---

Q3:- For controlling the vibration of the disc of
A.C. energy meter , damping torque is produced by

          1.       eddy current

          2.       chemical effect

          3.       electrostatic effect

          4.       magnetic effect

ANSWER:-1

---

---

Q4:- The cost of moving iron instrument as compared to moving coil instrument is

         1.       high

         2.       low

         3.       same

         4.       very high

ANSWER:-1

---

---

Q5:- Moving iron instrument can be used on

         1.       ac and dc both

         2.       ac only

         3.       dc only

         4.       half wave rectifired ac

ANSWER:-1

---

---