Electrical Engineering - Quantities and Units - Discussion

Discussion Forum : Quantities and Units - General Questions (Q.No. 5)
5.
The number of kilowatts in 135 milliwatts is
1.35 × 10–4 kW
135 × 10–3 kW
0.0135 kW
0.00135 kW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
46 comments Page 4 of 5.

Arulprakash said:   1 decade ago
1 Milli watts=1*10^-3
135 milli watts=0.135watts
1 k watts=1*10^3watts
0.135 watts= 0.135*10^-3 kilo-watts = 1.35*10^-4 kilo-watts.

Thufel Ahamed.N said:   1 decade ago
135 milliwatts = 135 * 10^-3Watts

= 135 * 10^-3*(10^3*10^-3)watts
= 135 * 10^-3*10^-3*10^3 watts
= 135 * 10^-3*10^-3 killowatts
= (135 * 10^-2)*10^-4 killowatts
= 1.35*10^-4 killowatts

Therefore, answer 'A' is the correct answer.
Thank you!

Oviya said:   1 decade ago
1 millwatts=10^-3
1 k watts =10^3
135 convertd to mW thn 0.135
0.135*10^-3=1.35*10^-4

Vikrant said:   1 decade ago
135milliwatts =. 135watts.

Now for coverting watts to kilowatts we have to divide by 1000.

So turn to be 135*10^-6 or = 1. 35*10^-4.

SAYEM, DIU said:   1 decade ago
1mW=10^-3W
135mW=135*10^-3W
Again, 1KW=10^3W or, 1W=0.001KW

So, 135*10^-3W = 0.001*135*10^-3W
= 135*10^-3*10^-3W
=135*10^-6W
=1.35*10^-4W

Prashant said:   1 decade ago
135 milliwatts = 13.5 watts
now 1 kilowatt = 1000 watts
so 1 watt = 0.001 kilowatts

hence 135 milliwatts = 13.5 * 0.001 kilowatts
=> 13.5 * 10^-3 kW
=> 1.35 * 10^ -4
=> Ans= A

Faraz said:   1 decade ago
135miliwatt=135/1000watts.
1watt=1/1000kwatt.

Therefore;

135miliwatt=135/1000000.
So Answer (a) is correct.

Akula upender said:   1 decade ago
135milliwatts=135*10^-3=.135watts and 1kw=1000watts.

So 1watt=1/1000=0.001 kw.

So 135milliwatts=.135*0.001=1.35*10^-4kw.

Vaibhav Khatavkar said:   1 decade ago
135 mW = 13.5 W
Now 1 kW = 1000 W
So 1 W = 0.001 kW

Hence 135 mW = 13.5 * 0.001 kw
=> 13.5 * 10^-3 kW
=> 1.35 * 10^ -4
=> Answer: A.

Indrajeet said:   1 decade ago
We know,

135mW = 135/1000w = .135w = . 35/1000 kw.

Which is equal to option (A).


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