HARD
10th ICSE
IMPORTANT
Earn 100

Derive formula for the current obtained from a number of identical cells connected in series.

Important Questions on Current Electricity

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 18
Derive formula for the current obtained from a number of identical cells connected in parallel.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 19
In a battery of 30 cells connected in series four cells have reverse polarity. How many cells in the battery are effective?
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 20
12 identical cells each of emf 1.5 volt and internal resistance 0.2 ohm are connected in series. The combination of cells now is connected to external resistance of 20 ohm. Calculate the current in the circuit in the circuit. 
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 20
12 identical cells each of emf 1.5 volt and internal resistance 0.2 ohm are connected in parallel. The combination of cells now is connected to external resistance of 20 ohm. Calculate the current in the circuit in the circuit. Which combination you will prefer to obtain maximum current in the external resistance?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 21
Distinguish between emf and terminal potential of a cell.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 22
Differentiate between a primary and a secondary cell. Give an example of each type of cell.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 23

Calculate the resistance of the following combination of resistors.

Question Image

EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 24
The slope of V-I graph of an ohmic resistor makes an angle of 60°. What is the resistance of the resistor?