Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

Amongst Iron, Chromium, Mercury & Manganese - which has the highest electrical resistivity at 20 degrees celcius?
Asked by konark411014 | 15 May, 2021, 10:26: PM
answered-by-expert Expert Answer
Resistivity of required materials at temperature 20o C is given below
 
Material Resistivity ( × 10-8 Ω-m )
Iron 9.7
Mercury 98
Manganese 185
Chromium 13
 
From above table, it is seen that Manganese is having high resistivity
Answered by Thiyagarajan K | 16 May, 2021, 11:21: AM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 12-science - Physics
A resistance of 600 has the color code given by 3 strips. The color of strips (fromleft to right) is given by(1) blue, black & brown(2) blue, brown & black(3) brown, blue & black(4) brown, black & blue Select Answer
Asked by smitdholakiya28 | 17 Dec, 2023, 09:37: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
color code of carbon resistance
Asked by palaksagotra01 | 05 Jul, 2021, 11:00: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Amongst Iron, Chromium, Mercury & Manganese - which has the highest electrical resistivity at 20 degrees celcius?
Asked by konark411014 | 15 May, 2021, 10:26: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
A wire of resistance of 20Ω is cut into two equal pieces, how will its resistance and resistivity change?
Asked by randeepsj | 28 Apr, 2021, 11:08: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
shs
question image
Asked by shrutikiran2000 | 21 May, 2020, 03:05: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
pls explain
question image
Asked by sulaikhasulu393 | 30 Apr, 2020, 09:27: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
In a meter bridge experiment null point is found at a distance of 33.7from one end .If a 12 ohm resistor is connected in parallel with unknown resistance 10 null point is shift to 51.9 . find the value of r and s
Asked by Samrasiddiqui11 | 26 Sep, 2018, 09:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
What is temperature coefficient of resistance?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
A carbon resistor is marked as orange, yellow, green and silver respectively. What is the approximate resistance of the resistance?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Name two substances whose resistivity decreases with the rise in temperature.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×