मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

State true or false: The frequency of AC is 50 Hz.

Advertisements
Advertisements

प्रश्न

State true or false:

The frequency of AC is 50 Hz.

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर
Advertisements

उत्तर

The frequency of AC is 50 Hz. - True

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2019-2020 (March) Official

संबंधित प्रश्‍न

 State the principle of an electric generator.


Name some sources of direct current.


A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is pushed into the coil?


What is the function of brushes in an electric generator?


What is the major difference between the simple alternator and most practical alternators? 


 Explain the principle of an electric generator. 


State two ways in the which the current alternating current and direct current?

 

Each one of the following changes will increase emf (or voltage) in a simple generator except: 

(a) increasing the number of turns in the armature coil
(b) winding the coil on a soft iron armature
(c) increasing the size of the gap in which the armature turns
(d) increasing the speed of rotation


Name and state the principle of a simple a.c. generator. What is its use?


Explain the construction and working of the following. Draw a neat diagram and label it.

Electric Generator (AC)


Explain the construction and working of an electric generator (AC) with the help of a neat diagram.


Draw a neat diagram of an AC generator and explain its working.


A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is held stationary inside the coil?


What energy conversion takes place in an a.c. generator?


Which labels identify the two slip rings?


Which are listed as sources of mechanical energy supplied to the rotor shaft?


How does the armature coil move during the stated working of an a.c. generator?


Which is the standard form of the alternating EMF?


What is the frequency of rotation of the stationary-bicycle generator's coil?


How is a generator driven in a hydroelectric plant?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×