A carbon resistance reads Red-Red-Black....

A carbon resistance reads Red-Red-Black. What is its resistance?—

`2.2 Omega`

`22 Omega`

`220 Omega`

`0.22kOmega`

Text Solution

Verified by Experts

Topper's Solved these Questions

MODEL PAPER SET-09
UNITED BOOK HOUSE|Exercise EXERCISE|40 Videos
MODEL PAPER SET-11
UNITED BOOK HOUSE|Exercise EXERCISE|31 Videos

Similar Questions

Explore conceptually related problems

A cell of emf 1.4V and internal resistance 2 Omega is connected in series with a resistance of 100 Omega and an ammeter. The resistance of the ammeter is 4/3 Omega .To measure the potential difference between the two ends of the resistance a voltmeter is connected IF the reading of the voltmeter is 1.10V, what will be its error?

A battery of emf 1.4V and interna! resistance 2Omega is connected to a resistor of 100Omega resistance through an ammeter. The resistance of ammeter is 4/3Omega a voltmeter has also been connected to find the potential difference across the resistor. The ammeter reads 0.02 A. What is the resistance of voltmeter.

The sequence of bands market on a carbon resistor are yellow,red,orange and silver.What is its (i) resistance and (ii) tolerance?

Brown,black orange and gold are the respective colours of the characteristic rings on a carbon resistor. Which of the following values of its resistance are definitely wrong?

The equivalent resistance of two resistances in series is four times the equivalent resistance when they are in parallel. If one of the resistances is R, then what would be the resistance of the other?

Range of an ammeter is increases by n times. What is the change in its resistance ?

The resistance of a wire varies directly with its length and inversely with its area. If a certain piece of wire 10 m long and 0.10 cm in diameter has a resistance of 100 ohms, what will its resistance be if its is uniformly srretched so that its length becomes 12 m?

A wire of resistance R is stretched till its length becomes n times its original length. What will be its new resistance?

A cell of emf 3.4V and internal resistance 3Omega is connected to an ammeter having resistance 2Omega . and to an external resistance of 100Omega . When a voltmeter is connected across the 100Omega resistance the ammeter reading is 0.04A. Find the voltage read by the voltmeter and its resistance. Had the voltmeter been an ideal one what would have been its reading ?

UNITED BOOK HOUSE-MODEL PAPER SET-10-EXERCISE

Three charges each of +1muC are placed at the comers of an equilateral...
Text Solution
|
Three capacitors of capacity C each are joined first in series and the...
Text Solution
|
A carbon resistance reads Red-Red-Black. What is its resistance?—
Text Solution
|
The vertical component of earth’s magnetic field is zero at a place wh...
Text Solution
|
The instantaneous magnetic flux phi in a, circuit is phi = 4t^2 - 4t +...
Text Solution
|
In L.C.R. series a.c. circuit, the phase angle between current and vol...
Text Solution
|
The velocity of electromagnetic wave is parallel to—
Text Solution
|
A plane mirror produces a magnification of—
Text Solution
|
A convex glass Iens (mug = 1.5 ) has a focal length 8 cm when place in...
Text Solution
|
If ratio of amplitudes of two waves is 4:3 then ratio of maximum and m...
Text Solution
|
When Ge crystals are doped with phosphorous atom, then it becomes —
Text Solution
|
A microphone converts—
Text Solution
|
A radio active element "90X^238 decays into "83X^222. The no. of B par...
Text Solution
|
The splitting of white light into several colours on passing through a...
Text Solution
|
No two electric field lines can intersect each other. Why?
Text Solution
|
What is the value of an electron-volt?
Text Solution
|
Can there be magnets with single-pole?
Text Solution
|
What is the unit of magnetic flux?
Text Solution
|
Can we cast the image formed by a convex mirror on a screen?
Text Solution
|
What is S.I. unit of power of a lens?
Text Solution
|