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Last Updated On 01-06-2023 - By Jeesha Sara

A 2 W carbon resistor is color coded with green, black, red and brown respectively. The maximum current which can be passed through this resistor is : 

(a)

63 mA

(b)

0.4 mA

(c)

100 mA

(d)

20 mA


Question ID - 50223 :-

A 2 W carbon resistor is color coded with green, black, red and brown respectively. The maximum current which can be passed through this resistor is : 

(a)

63 mA

(b)

0.4 mA

(c)

100 mA

(d)

20 mA

1 Answer
5876 Votes
3537

Answer Key : (d) -

P= R.

  for , R must be minimum

From color coding R=50

=20 mA



Next Question :

In a young’s double slit experiment with slit separation 0.1 mm, one observes a bright fringe at angle   rad by using light of wavelength . When the light of wavelength  is used a bright fringe is seen at the same angle in the same set up. Given that  and  are in visible range (380 nm to 740 nm), their values are

(a)

380 nm, 500 nm

(b)

625 nm, 500 nm

(c)

380 nm, 525 nm

(d)

400 nm, 500 nm


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