मराठी

If Five Resistances, Each of Value 0.2 Ohm, Are Connected in Series, What Will Be the Resultant Resistance?

Advertisements
Advertisements

प्रश्न

If five resistances, each of value 0.2 ohm, are connected in series, what will be the resultant resistance?

Advertisements

उत्तर

If five resistors, each of value 0.2 Ω, are connected in series, the resultant resistance will be the sum of the individual resistances.
R = R1 + R2 + R3 + R4 + R5
R = 0.2 + 0.2 +0.2 + 0.2 + 0.2 
R = 5 x 0.2
R = 1 Ω

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Electricity - Exercise 5 [पृष्ठ २२७]

APPEARS IN

लखमीर सिंह Physics Part 1 [English] Class 10
पाठ 4 Electricity
Exercise 5 | Q 2. | पृष्ठ २२७

संबंधित प्रश्‍न

A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 12 Ω, respectively. How much current would flow through the 12 Ω resistor?


Write any two characteristics of a series combination of resistors.


Find the equivalent resistance between points A and B.


Calculate the resistance of an aluminium cable of length 10 km and diameter 2.0 mm if the resistivity of aluminium is 27 × 10−8 Ωm. 


What possible values of resultant resistance one can get by combining two resistances, one of value 2 ohm and the other 6 ohm?


Calculate the combined resistance in the given case:


What do you mean by a rheostat?

Two bulbs of 100 W and 40 W are connected in series. The current through the 100 W bulb is 1 A. The current through the 40 W bulb will be ______.


Why are thick copper wires used as connecting wires?


How does the resistivity of a semiconductor depend on temperature?


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


State and explain the laws of resistance.


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


In the circuit shown below, calculate the equivalent resistance between the points (i) A and B, (ii) C and D.


Six equal resistors of 1 ohm each are connected to form the sides of a hexagon ABCDEF. Calculate the resistance offered by the combination if the current enters at A and leaves it at D.


Calculate the value of the resistance which must be connected to a 15 ohm resistance to provide on effective resistance of 6 ohm.


Two wires of the same length and area made of two materials of resistivity ρ1 and ρ2 are connected in series to a source of potential V. The equivalent resistivity for the same area is:


What is the maximum resistance which can be made using five resistors each of `1/5` W?


In an electrical circuit, two resistors of 2 Ω and 4 Ω respectively are connected in series to a 6 V battery. The heat dissipated by the 4 Ω resistor in 5 s will be ______.


Show how you would connect three resistors, each of resistance 6 Ω, so that the combination has a resistance of 4 Ω.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×