A room heater is rated 400 W, 220 V. If the supply voltage drops to 200 V, what will be the power consumed (approximately)?
NEET 2026 · Easy
A resistor is connected to a battery of 12 V emf and internal resistance 2\ Ω . If the current in the circuit is 0.6 A, the terminal…
NEET 2026 · Easy
A uniform metallic wire having resistance 4\ Ω is bent to form a square loop ( ABCD ) (see figure). A resistance of 2\ Ω is connected…
NEET 2026 · Medium
In a metre bridge experiment (see figure), the positions of the cell, E , and galvanometer, G , are interchanged. We shall observe in the…
NEET 2026 · Medium
Consider two circuits, (A) and (B), each having two resistors. One of them has a positive temperature coefficient of resistance, +α ,…
RE-NEET 2026 · Medium
If the galvanometer G does not show any deflection in the circuit shown, the value of R is given by : *Circuit (described from the…
NEET 2023 · Medium
