A
B
C
D
Text Solution
Verified by Experts
MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
- In an ordinary electric heater, if the length of the coil is reduced t...
Text Solution
|
- A 500 W heating unit is designed to operate from a 115 V line. If the ...
Text Solution
|
- If R1 and R2 are respectively the filament resistances of a 200 W bulb...
Text Solution
|
- Of the two bulbs in ahouse, one glows brighter than the other. Which ...
Text Solution
|
- The product of volt and coulomb is joule. (ii) The produce of volt and...
Text Solution
|
- Two heating coils, one of fine wire and the other of thick wire of the...
Text Solution
|
- Household electrical appliances are not usually connected in series, b...
Text Solution
|
- 40 electric bulb are connected in series across a 220 V supply. After ...
Text Solution
|
- Two resistance r1 and r2 (r1< r2) are joined in parallel. The equialen...
Text Solution
|
- A metal wire of resistance R is cut into three equal pieces that are t...
Text Solution
|
- n equal resistors are first connected in series and then connected in ...
Text Solution
|
- n conductors, each of resistance r, when connected in parallel, give a...
Text Solution
|
- When an unknown resistance and a resistance of 4Omega are connected in...
Text Solution
|
- Four resistance R1,R2,R3 and R4 are connected in parallel. The resulta...
Text Solution
|
- Resistance of 6 ohm each are connected in the manner shown in the give...
Text Solution
|
- Three resistors of 4 ohms, 6 ohms, and 12 ohms are connected in parall...
Text Solution
|
- A primary cell has an e.m.f. 1.5 volt. When short circuited, it gives ...
Text Solution
|
- A cell supplies a current of 0.3 A through a resistance of 7 ohm and a...
Text Solution
|
- Two cells X and Y are connected to a resistance of 10Ω as shown in the...
Text Solution
|
- n cells of e.m.f E and internal resistance r are connected in series...
Text Solution
|