An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a :

An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Correct Answer Battery

A Galvanic cell, also known as battery, is an electrochemical cell that derives electrical energy from spontaneous redox reactions taking place within the cell. It is typically used as a source of electrical power. By their nature, they produce direct current. A battery is a set of galvanic cells that are connected in parallel.
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A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
Fe(s) |Fe2+ (aq) || Br2 (l) ; Br- (aq)| Pt(s) তড়িৎ রাসায়নিক কোষের সঠিক কোষ-বিক্রিয়া কোনটি? (Which one is the correct cell reaction of the given electrochemical cell?)
Fes|Fe2+aq∥Br2I; Br-aq| pts তড়িৎ রাসায়নিক কোষের সঠিক কোষ-বিক্রিয়া কোনটি? (Which one is the correct cell reaction of the given electrochemical cell?)
As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:
The cathode in an electrochemical cell always carries
একটি কোষের তড়িৎচালক বল 2 V। এতে যখন 1 A তড়িৎ প্রবাহিত হয় তখন এর বিভব পার্থক্য 1 v হয়। কোষের অভ্যন্তরীণ রোধ (Electromotive force of a cell is 2 V. When 1 A current flows through it, its voltage drops to 1 V. The internal resistance of the cell is)
You cannot convert a voltage source to an equivalent current source, or vice versa.
Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant
For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.