मराठी

Draw Circuit Symbols for Variable Resistance

Advertisements
Advertisements

प्रश्न

Draw circuit symbols for variable resistance

Advertisements

उत्तर

Variable resistance

 

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Electricity - Exercise 2 [पृष्ठ १९७]

APPEARS IN

लखमीर सिंह Physics Part 1 [English] Class 10
पाठ 4 Electricity
Exercise 2 | Q 21. (b) | पृष्ठ १९७

संबंधित प्रश्‍न

Draw circuit symbols for  

 a battery of three cells 


Draw circuit symbols for 

A closed switch


Draw a circuit diagram to show how 3 bulbs can be lit from a battery so that 2 bulbs are controlled by the same switch the third bulb has its own switch. 

 


Who will spend more electrical energy? 500 W TV Set in 30 mins, or 600 W heater in 20 mins?


What do you understand by the open electric circuit?


Nowadays MCBs are used in homes, for stop the current in the circuit which suddenly increases.


What is the use of earthing wire?


The switch is used to close or open an electric circuit.


Draw the circuit diagram for the series connection.


In the circuit diagram below, 10 units of electric charge move past point x every second What is the current in the circuit ______.


Draw the circuit diagram for the following series connection


Study the three electric circuits below. Each of them has a glass rod (G), a steel rod (S), and a wooden rod (W).

In which of the electric circuits would the bulb not light up.


Explain about domestic electric circuits. (circuit diagram not required)


The rate of flow of electric charges in a circuit is called ______.


What are the types of electric circuits?


Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of 2 Ω in series with a combination of two resistors (4 Ω each) in parallel and a voltmeter across the parallel combination. Will the potential difference across the 2 Ω resistor be the same as that across the parallel combination of 4 Ω resistors? Give reason.


Name the device which is used to measure the strength of the electric current in an electric circuit.


An electric motor rated 1100 W is connected to 220 V mains. Find: 

  1. The current drawn from the mains,
  2. Electric energy consumed if the motor is used for 5 hours daily for 6 days.
  3. Total cost of energy consumed if the rate of one unit is 5.

Assertion: People struck by lightning receive a severe electrical shock.

Reason: Lightning carries very high voltage.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×