![a blackboard of sides 4m 50cm and 3m 20cm is to be painted.find the cost of the work at the rate of Rs.25 per square meter. a blackboard of sides 4m 50cm and 3m 20cm is to be painted.find the cost of the work at the rate of Rs.25 per square meter.](https://haygot.s3.amazonaws.com/questions/1298577_1607332_ans_9b191ee10baf49ef89fce80ec664969f.jpg)
a blackboard of sides 4m 50cm and 3m 20cm is to be painted.find the cost of the work at the rate of Rs.25 per square meter.
![Calculate the resistance of 50 cm length of wire of cross sectional area of 0 01 mm 2and of resistivity - Science - Electricity - 14603709 | Meritnation.com Calculate the resistance of 50 cm length of wire of cross sectional area of 0 01 mm 2and of resistivity - Science - Electricity - 14603709 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_5ec9155712b8a.jpg)
Calculate the resistance of 50 cm length of wire of cross sectional area of 0 01 mm 2and of resistivity - Science - Electricity - 14603709 | Meritnation.com
![Q7 A room us 4 m long and 3 m 50 cm wide How many square meters of carpet are needed to cover the fl... Q7 A room us 4 m long and 3 m 50 cm wide How many square meters of carpet are needed to cover the fl...](https://i.ytimg.com/vi/4c2iKIbUkLQ/mqdefault.jpg)
Q7 A room us 4 m long and 3 m 50 cm wide How many square meters of carpet are needed to cover the fl...
![A constantan wire of length 50 cm and 0.4 mm dianeter is used in making a resistor. If the resistivity of constantan is 5 × 10 ^ - 7Ω m .Calculate the value of resistor. A constantan wire of length 50 cm and 0.4 mm dianeter is used in making a resistor. If the resistivity of constantan is 5 × 10 ^ - 7Ω m .Calculate the value of resistor.](https://haygot.s3.amazonaws.com/questions/1317942_1181880_ans_46fd43dd16fb45ccb7be1b33a2058e22.jpg)
A constantan wire of length 50 cm and 0.4 mm dianeter is used in making a resistor. If the resistivity of constantan is 5 × 10 ^ - 7Ω m .Calculate the value of resistor.
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