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

Complete the Following

Advertisements
Advertisements

प्रश्न

Complete the following :-

(a)

Advertisements

उत्तर

(a)

The equivalent resistance is Rs = 12Ω + 2.5Ω + 2.5Ω = 17Ω

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2014-2015 (March)

APPEARS IN

संबंधित प्रश्‍न

Find the expression for the resistors connected in series and write the two characteristics of it. (Draw figure).


If the equivalent resistance is to be increased, then the number of resistances should be connected in

  1. Series
  2. Parallel
  3. Mixed arrangement
  4. None of the above

A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R’, then the ratio `"R"/"R'"` is ______.


Find the equivalent resistance between points A and B


Give the law of combination of resistances in series.


Define resistivity of a metal.

What are the SI units of specific resistance?

What potential difference is needed to drive a current o f 1 A through a 5 Ω resistor?


You have three resistors of values 2 `Omega`, 3 `Omega`, and 5 `Omega`. How will you join them so that the total resistance is less than 2 `Omega`?


Choose the correct alternative and rewrite the following:

You are given three equal resistances. In how many combinations can they are arranged?


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


How does the resistivity of an alloy such as constantace depends on temperature.


Define the term resistivity and state its S.I. unit. Which will have higher resistivity a conductor or an insulator.


State expression for Cells connected in parallel.


State and explain the laws of resistance.


Calculate the equivalent resistance between the points A and B for the following combination of resistors:


Two resistors of 4Ω and 6Ω are connected in parallel to a cell to draw 0.5 A current from the cell.
Draw a labelled circuit diagram showing the above arrangement.


What should be the length of a nickel wire of area of cross-section 3 mm2 used for making a rheostat of 750 ohm? (ρ of nickle = 0.069 Ohm mm2/m)


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


The resistance of two resistors joined in series is 8Ω and in parallel is 1.5Ω. Find the value of the two resistances.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×