Two resistors of 6Ω and 9Ω are connected in series to a 120 V source.
Two resistors of 6Ω and 9Ω are connected in series to a 120 V source. The power consumed by 6Ω resistor is
Options
(a) 384Ω (b) 616Ω (c) 1500Ω (d) 1800Ω
Correct Answer:
384Ω
MP2013
If a wire is stretched to four times its length, then the specific resistance
If a wire is stretched to four times its length, then the specific resistance of the wire will
Options
(a) become 4 times (b) become 1/4 times (c) become 16 times (d) remain the […]
A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series
A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series with a resistance box and a 2 volt battery. If a potential difference of 100mV is balanced across […]
Which pair is isotonic?
Which pair is isotonic?
Options
(a) ₇N¹³,₇N¹⁴ (b) ₆C¹⁴,₆C¹² (c) ₆C¹⁴,₇N¹⁴ (d) ₇N¹³,₆C¹²
Correct Answer:
₇N¹³,₆C¹²
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Which series of hydrogen spectrum corresponds to ultraviolet region?
Which series of hydrogen spectrum corresponds to ultraviolet region?
Options
(a) Balmer series (b) Brackett series (c) Paschen series (d) Lyman series
Correct Answer:
Lyman series
Explanation:
No explanation available. Be the first […]
Spectrum of X-rays is
Spectrum of X-rays is
Options
(a) continous (b) linear (c) continous and linear (d) band
Correct Answer:
continous
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
An air core coil and an electric bulb are connected in series with an AC source.
An air core coil and an electric bulb are connected in series with an AC source. If an iron rod is put in the coil, then the intensity of light of the bulb will
For a series L-C-R circuit, the rms values of voltage across various components
For a series L-C-R circuit, the rms values of voltage across various components are Vʟ=90 V, Vᴄ=60V and Vʀ=40 V. The rms value of the voltage applied to the circuit is
Options
(a) […]
The mirrors are inclined at an angle of 50⁰. The number of images formed for an object
The mirrors are inclined at an angle of 50⁰. The number of images formed for an object placed in between the mirrors is
Options
(a) 5 (b) 6 (c) 7 (d) 8
Correct […]
In Young’s double slit experiment, the phase difference between the two waves
In Young’s double slit experiment, the phase difference between the two waves reaching at the location of the third dark fringe is
Options
(a) π (b) 3π/2 (c) 5π (d) 3π
Correct Answer:
3π/2