मराठी

The Substance Having Infinitely High Electrical Resistance is Called: (A) Conductor (B) Resistor (C) Superconductor (D) Insulator

Advertisements
Advertisements

प्रश्न

The substance having infinitely high electrical resistance is called:

(a) conductor
(b) resistor
(c) superconductor
(d) insulator

Advertisements

उत्तर

(d) insulator
A substance having infinitely high electrical resistance is called an insulator.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Electricity - Exercise 3 [पृष्ठ २०७]

APPEARS IN

लखमीर सिंह Physics Part 1 [English] Class 10
पाठ 4 Electricity
Exercise 3 | Q 27. | पृष्ठ २०७

संबंधित प्रश्‍न

Give the law of combination of resistances in series.


Two resistances X and Y are connected turn by turn:

  1. in parallel, and
  2. in series.

In which case the resultant resistance will be less than either of the individual resistances?


A p.d. of 4 V is applied to two resistors of 6 Ω and 2 Ω connected in series. Calculate:

(a) the combined resistance
(b) the current flowing
(c) the p.d. across the 6 Ω resistor


You are supplied with a number of 100 Ω resistors. How could you combine some of these resistors to make a 250 Ω resistor?


In series combination of resistances ______.


Does an ammeter have a low or high resistance?

Potential difference between two points of a wire carrying 2 ampere current is 0.1 volt. Calculate the resistance between these points.

What is the value of a resistance if 20 V drives 2 A through it?

To increase the effective resistance in a circuit, the resistors are connected in _______________ .


When do you say that the resistors are connected in this way? Draw a circuit diagram.


Bends in a rubber pipe reduce the flow of water through it. How would the bands in a wire affect its electric resistance?


Name the material of wire used for making standard resistances. Give a reason.


You are provided with three resistors of resistance 1.0 Ω, 2.0 Ω and 3.0 Ω How would you connect them to obtain the total effective resistance 1.5 Ω? Draw diagram of the arrangement and check it by calculations.


Six resistances are connected together as shown in the figure. Calculate the equivalent resistance between points A and B.


What is the equivalent resistance between the points X and Y for the given network?


2Ω resistor A, 1Ω resistor B and 4Ω resistor C are connected in parallel. The combination is connected across a 2V battery of negligible resistance. Draw the diagram of the arrangement and calculate:
(i) The current in each resistor A and C,
(ii) The current through battery.


Two wires of same material and same lengths have radii in the ratio of 2 : 3, Compare their resistances.


Two resistors having 2Ω and 3Ω resistance are connected—(i) in series, and (ii) in parallel. Find the equivalent resistance in each case.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×