Solve
Guides
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

(3) 9/812 (4) 7/132 A rectangular carbon block has dimensions 1.0 cm x1.0 cm x50 cm. Resistances are measured first across two square ends and then across two rectangular ends, respectively. If resistivity carbon is 3.5 x 10-5 12-m, then values of measured resistances respectively are (1) 2 (3) 50 cm 1cm || / 13. Ag resis batt 1cm con cun the bat (1) 17.5 x1022,7x1052 (2) 7x1052, 7.5 x1022 (3) 17.5 x1042,7 x10712 (47.52,7 x 10-22 10. An electric tea kettle has two electric heating coils. When one of the coil is switched on the tea begins to boil in 6 minutes. When the other is switched on,

Open in App
Solution
Verified by Toppr


Was this answer helpful?
0
Similar Questions
Q1
A rectangular carbon block has dimension 1.0 cm×1.0 cm×50 cm. Resistances are measured, first across two square ends and then across two rectangular ends, respectively. If resistivity of carbon is 3.5×10−5 Ωm, then values of measured resistances respectively are:


View Solution
Q2
A rectangular carbon block has dimensions 1.0cm×1.0cm×50cm. Resistance are measured first across two square ends and then across two rectangular ends, respectively. If resistivity carbon is 3.5×10−5Ωm, then value of measured resistances respectively are
279594.png
View Solution
Q3
A rectangular carbon block has dimensions 1 . 0 cm x 1. 0cm x 50 cm.Resistance and measured , first across two rectangular ends ,respectively.If resistivity of carbon is 3 . 5 ×10−5Ω m ,then values of measured resistance respectively are :
View Solution
Q4
An electric tea kettle has two electric heating coils. When one of the coil is switched on the tea begins to boil in 6 minutes. When the other is switched on, the boiling begins in 8 minutes
If both the coils are now arranged in series and switched on, boiling starts in
View Solution
Q5

a rectangular carbon block has dimensions 1cm x 1cm x 50cm .

1. what is the resistance measured between the two square ends ?
2. between two opposing rectangular faces ??
RESISTIVITY OF CARBON AT 20 DEGREE CELCIUS IS : 3.5 x 10-5 ohm meter .

View Solution