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What is the required resistance

2. How many cells connected in series, each having an EMF of 1.5 Vand internal resistance of 0.2 Ω would be required to pass a
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2. asked by khalid
3. 1,636 views
A galvanometer of resistance 50 ohm which gives a full deflection for 1mA is to be adapted to measure currents up to 5A.
1. 3 answers
2. asked by chidinma
3. 3,066 views
Agalvanometer of resistance 25 ohmes shows full scale deflection for current of 10mA, to convert it into 100 V range
1. 1 answer
2. asked by Ratnesh upadhyay
3. 445 views
A galvanometer with a full-scale sensitivity of 500 microA and a coil resistance of 60 ohms is to be used to build an ammeter
1. 1 answer
2. asked by Lanise
3. 490 views
A galvanometer with a full-scale sensitivity of 500 microA and a coil resistance of 60 ohms is to be used to build an ammeter
1. 2 answers
2. asked by Lanise
3. 655 views
Find the minimum number of cells connected in two rows in parallel required to pass a current of 6 A through an external
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2. asked by Cora
3. 1,042 views
When force arm & resistance arm are equal in length, a force to the resistance is required to balance it
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2. asked by Student
3. 110 views
The current in a circuit is halved. What happens to the resistance?V=IR (1 point) Responses The resistance stays the same. The
1. 1 answer
2. 56 views
A voltage of resistance 500ohms calibrated read 1ohm per division. If the instrument is required to read 10ohm per scale
1. 1 answer
2. asked by Chiagoziem
3. 357 views
a cabel consists of 10 strands of copper wire each of cross-section area 1.1x10^-3 cm^2. Calculate (a) the resistance per meter
1. 1 answer
2. asked by umani -
3. 662 views