Prepare for NEET Physics Current Electricity with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and step-by-step solutions to excel in circuit analysis.
If you have three resistors of , , and , how many different values of equivalent resistance can you obtain by using one or more of these resistors in different series/parallel combinations?
14
15
16
17
A bulb is rated 60W, 220V. The power consumed when it is operated on 110V is:
30 W
15 W
60 W
7.5 W
Joule's law of heating states that heat produced in a conductor is directly proportional to:
the square root of the current
the current
the square of the current
inversely proportional to the current
If the current flowing through a resistor is doubled, the power dissipated will:
be halved
double
become four times
remain the same
Which of the following is the basic structural and functional unit of life?
Tissue
Organ
Organ system
Cell
What is the function of the cell membrane?
Provides structural support
Produces energy
Stores genetic information
Regulates the entry and exit of substances
Which organelle is known as the 'powerhouse of the cell'?
Ribosomes
Golgi apparatus
Mitochondria
Lysosomes
