मराठी

What is the Equivalent Resistance of 5 Equal Resistors, Each of Value 2 O 1 When Oonnected in (A) Series 1 ( B) Para I Le I? - Physics

Advertisements
Advertisements

प्रश्न

What is the equivalent resistance of 5 equal resistors, each of value 2`Omega` 1 when oonnected in (a) Series  ( b) ParaIleI?

संख्यात्मक
टीपा लिहा

उत्तर

(a) In series:
Equivalent series resistance, Rs = 2 + 2 + 2 + 2 + 2 = 10 `Omega`

(b) In parallel

Equivalent parallel resistance R= `("Resistance of each resistor"/"No. of Resistors") = 2/5 Omega`

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Current Electricity - Exercise 4.1 ii [पृष्ठ १७४]

APPEARS IN

फ्रँक Physics - Part 2 [English] Class 10 ICSE
पाठ 4 Current Electricity
Exercise 4.1 ii | Q 18 | पृष्ठ १७४

संबंधित प्रश्‍न

Show how you would connect two 4 ohm resistors to produce a combined resistance of (a) 2 ohms (b) 8 ohms.


A resistor has a resistance of 176 ohms. How many of these resistors should be connected in parallel so that their combination draws a current of 5 amperes from a 220 volt supply line?


Show with the help of diagrams, how you would connect three resistors each of resistance 6 Ω, so that the combination has resistance of (i) 9 Ω (ii) 4 Ω.


If current flows through two lamps arranged: 

(a) in series,
(b) in parallel,
and the filament of one lamps breaks, what happens to the other lamp? Explain your answer.


Four resistors each of resistance 2Ω are connected in parallel. What is the effective resistance? 


Explain, why is the p.d. between the terminals of a storage battery less when it is supplying current than when it is on open circuit. A battery of e.m.f. 10 volts and internal resistance 2.5 ohms has two resistances of 50 ohms each connected to it. Calculate the power dissipated in each resistance
(a) When they are in series,
(b) When they are in parallel.
In each case calculate the power dissipated in the battery.


A particular resistance wire has a resistance of 3 ohm per meter. Find the potential difference of the battery which gives a current of 2 A in each of the 1.5 m length when connected in the parallel to the battery (assume that resistance of the battery is negligible).


Solve the following question:
In an electric circuit, two resistors of 12 0 each are joined in parallel to a 6 V battery. Find the current drawn from the battery.


What connection is used in domestic appliances and why?


Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points is:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×