Physics-
General
Easy
Question
A current of 2A flows in an electric circuit as shown in figure. The potential difference 
, in volts 
and 
)are potentials at R and S respectively) is
- -4
- +2
- +4
- -2
The correct answer is: +4
Related Questions to study
Physics-
I and V are respectively the current and voltage in a metal wire of resistance 'R'. Two I- V graphs at two different temperatures 
and 
are given in the graph. Then,
I and V are respectively the current and voltage in a metal wire of resistance 'R'. Two I- V graphs at two different temperatures and are given in the graph. Then,
Physics-General
Physics-
If the current in a heater increases by 10%, the percentage change in the power consumption
If the current in a heater increases by 10%, the percentage change in the power consumption
Physics-General
Physics-
Unit of magnetic moment is ..........
Unit of magnetic moment is ..........
Physics-General
Physics-
When a bar magnet of pole strength m is cut into equal halves, parallel to its axis the pole strength of each piece is
When a bar magnet of pole strength m is cut into equal halves, parallel to its axis the pole strength of each piece is
Physics-General
Physics-
............ poles appear at the point of separation
............ poles appear at the point of separation
Physics-General
Physics-
Shape of Horseshoe magnet is _______
Shape of Horseshoe magnet is _______
Physics-General
Physics-
Magnet used in electric motors is
Magnet used in electric motors is
Physics-General
Physics-
The substances with density less than ________, float in water
The substances with density less than ________, float in water
Physics-General
Physics-
One century is equal to how many years?
One century is equal to how many years?
Physics-General
Physics-
One millennium is equal to how many decades?
One millennium is equal to how many decades?
Physics-General
Physics-
1 minute = _______________ seconds.
1 minute = _______________ seconds.
Physics-General
Chemistry-
Consider the following bromides :
A) 
B) 
C) 
The correct, order of 
reactivity is
Consider the following bromides :
A)
B)
C)
The correct, order of reactivity is
Chemistry-General
Chemistry-
In which of the following reaction ketone is formed :
In which of the following reaction ketone is formed :
Chemistry-General
Chemistry-
KI in acetone, undergoes 
reaction with each of P, Q, R and S The rates of the reaction vary as –
P) 
Q) 
R) 
S) 
KI in acetone, undergoes reaction with each of P, Q, R and S The rates of the reaction vary as –
P)
Q)
R)
S)
Chemistry-General
Chemistry-
In the reaction
the products are
In the reaction
the products are
Chemistry-General
