Related Questions

The total resistance for two resistors in parallel is equal to the sum of the two resistors.
A True
B False
The total current divides among parallel resistors in a manner directly proportional to the resistance values.
A True
B False
If one of the resistors in a parallel circuit is removed, the total resistance
A Decreases
B Increases
C Remains the same
D Doubles
Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be
A 9 times
B $$\frac{1}{9}$$ times
C $$\frac{1}{3}$$ times
D 3 times
What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?
A 50
B 12
C 24
D 36
The number of current paths equals the number of resistors in parallel.
A True
B False
কোন এক পার্কের একটি দোলনায় ঝুলতে লোহার তার ব্যবহার করা হয়েছে। কয়েকজন ছেলে-মেয়ে দোলনায় যখন দোল খাচ্ছিল তখন এক বাচ্চার অভিভাবক লক্ষ্য করেন যে, ফুলন তার 1 m থেকে বৃদ্ধি পেয়ে 1.01 m হয়েছে এবং তারটির ব্যাস হ্রাস পেয়েছে। পয়সনের অনুপাত 0.2 হলে দোলনার তারের ব্যাস কতখানি হ্রাস পায় ? (The iron wires have been used in a park to swing. When some children are swinging, the length of the wire increases from I m to 1.01 m whereas the diameter of the wire decreases which is noticed by a guardian. If Poisson's ratio is 0.2, then how much the diameter of the wire decreases?) 
A 0.15%
B 0.18%
C 2.5%
D 0.25%
E 0.2%
When an open circuit occurs in a parallel branch, the total resistance decreases.
A True
B False
Total power in a parallel circuit is found by adding up the power of all the individual resistors.
A True
B False
The total resistance of a series circuit is equal to the difference between the largest and smallest value resistors.
A True
B False

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